Life Hacks/Inga's sexuality
This is the new format for showing what the individual character's reaction will be to sexual advances with them depending on their sexual history, sexual knowledge, sexual quirks, and their relationship with you. It contains some of the information from the old system, and also goes into detail about how they might react to individual sex acts giving various ways you might approach them. Please note that there will always be a chance they might reject you regardless of relationship score depending on your approach and their mood at the time due to other factors. Also note that the scores say a "recommended" relationship score before pursuing a sex act. It is possible to get them to agree with a lower score if you use the best approach (especially if you have high social skills.)
Sexual history
Inga was born to a polygamous household with a large number of brothers and sisters, and on top of it, her father was a highly successful individual who was easily able to support his large family. This caused her to feel that it would not be difficult to have a family and a career so long as she found an intelligent husband, but at the same time she was also poorly educated on the subject of birth control. As such, when she decided to become the girlfriend of Rich Cole, the top of his class and someone who was very into computers, she was rather loose about the idea of having sex with him and she had not used protection at all.
She became pregnant with the twins, Charity and Xander, soon after she got out of college, and after that she started keeping up a rigorous regeim of birth control in order for her to have her career which she had discovered having children really was keeping her back from. Despite this, she kept getting pregnant and even the condoms did not work. Inga soon came to the discovery that birth control was completely useless for her, and so she decided to get her tubes tied which resulted in the breakup of her marriage which was already on the rocks between her not putting out and Rich's affair.
After such a life, Inga is now rather sexually frustrated, but she usually puts that sexual frustration into pushing harder at her work. She is known both at work and at home for being a serious hard-ass. This is also partially due to her sexual frustration. This, along with the fear of her past mistakes being repeated with her children, caused her to really become very harsh with Charity when she discovered she was sexually experimenting with her younger siblings. She has poor knowledge of parenting or what is typical for children, so she did not react well to this.
NOTE: Inga is also strongly against the idea of abortion for reasons that are not completely known even to her. She is not a pro-life activist who would try to outlaw abortion and she would not be very bothered about a woman who is not connected to her having one, but she would never abort any pregnancy of hers and would also not allow an abortion for any of her daughters (even if Angel or Roni were to be raped and impregnated)
Sexual Knowledge
After having so many issues with her birth control failing, Inga decided to thoroughly study the subject of human reproduction as well as birth control. She has a level of knowledge on the subject that is almost at the level of a pre-med student.
General recommended approaches
Between her sexual frustrations and wanting to keep her kids safe, Inga has a fairly good likelihood of having Xander have sex with her should he be discovered engaging in any form of sexual activity with one of his sisters, or even a girl outside the family, with the excuse that since her tubes are tied she cannot get pregnant anymore. A few factors that may increase the chances of her taking this route are if Xander has increased his skills using the life-hack module (thus increasing her assessment of how far Xander can go in his carreer,) and if he, as Lexi, has had any sexual relations with Rich.
If Lexi were to have sex with Rich and this was discovered, Inga's reaction would most certainly be to cut off all visitation rights for Rich. Along with this though, any sexual behaviors Lexi/Xander exhibit from that point forward will be blamed on Rich in Inga's mind, and if Lexi reverts herself back to being Xander then Inga will figure that since Xander is male, she can make herself a safe target for his sexual behaviors.
Even if approached by Xander directly, Inga would not consider it completely off the table to have sex with her son. While he wears his hair quite differently, a lot of Xander's mannerisms remind her a lot of Rich when he was a teenager, and this brings Inga back to her highschool days as well which gives her a slight weakness to her son. She does not actively desire sex from Xander, but it would be easy to trigger such a mind-set in her.
Surrogate resistance (Resistance to you having sex with someone she is in charge of)
Inga will not approve of you having sex with any of your sisters, although if it is with Beth she will not know what to think due to her having put them together in the same room and, for some reason, thought that such a thing couldn't possibly happen (beings Beth was a boy, Bastian, for her whole life up until now.) She will likely become rather mad if it's with Angel or Roni, however if it is with Charity then she will likely decide Charity seduced him, and if it is with Brittany or Beth she will find a way to blame herself.
If it is with Brittany, Charity, or Beth, the likelihood of Inga's solution being to try and have you use her as the "safe" sexual outlet and not use your sisters anymore is very high, but with Angel or Roni there is a fair chance she may instead attempt to have you live with your father Rich in order to get you away from your little sisters.
If it is with any girl outside the family, her reactions are likely to be the same, breaking things down along the lines of the age of the girl you had sex with. If it is with a girl Bastian/Beth's age or older, she will view it as you doing something that is dangerous for your future and try to talk you out of it and offer her own body as an outlet for your sexual urges. If it is with a girl Angel's age or younger, she will fear the fact that you have sexual interests in a girl that age and be afraid that you might go after Angel or Roni as well, thus meaning she should remove you from the house.
If Inga discovers that you, as Lexi, have had sex with your father Rich, unless you as Xander have also had sex with Inga before this revelation she will become absolutely furious about this and call the police on your father, denying all visitation rights at the minimum, and will pursue criminal charges against him. If she HAS had sex with Xander by this point however she will still be furious with Rich, mostly due to the jumbled matter of Xander being a boy and a girl alternatively, and she will view it as better for her, who has had her tubes tied, to be having sex with the male Xander than Rich to be having sex with the female Lexi. However, due to the guilt of having sex with Xander, she will not pursue criminal charges, but she will still be absolutely furious and try to prevent you from going over to your father's house from that point forward, likely using the threat of reporting this in order to keep him from complaining as she prevents you or any of your siblings from going to his house.
Also, after such an incident happens, she will not be trying to get rid of you if you have sex with Angel or Roni. She will only yell at you and try to think of ways she can parent you out of having sex with your kid sisters.
General overview (How Inga will be likely to react if you have sex with her)
When it comes to pursuing sex with Inga directly, she will not think it is appropriate at all. However, if Xander manages to wear her down, she may be likely to decide it's better for him to direct his sexual attention at her, who has had her tubes tied, than for him to accidentally knock up some girl from school. She is far more likely to allow Xander to have sex with her in response to discovering he is sexually active with someone else, especially his sisters Brittany, Charity, or Beth, than to allow it simply from him pursuing her.
Overview
If you are trying to pursue Inga directly without it being a matter of her offering herself as a substitute outlet, she will most likely disregard all of your sexual advances, likely even not fully realizing the possibility that you, her son, are pursuing her sexually. It would have to be direct, not subtle, and you would have to wear her down over several instances of this.
What's more, you would have to have also demonstrated some kind of above-and-beyond merit to her in order to have gotten her attention. Primarily, it will have to be something that tells you that you have a bright and prosperous future ahead of you.
Sex with Inga
Inga will likely try to be in charge of the sexual encounter between you and her. She may invite you to explore her body or to do various things with her, but ultimately she will be calling the shots and the reason you are doing what you want will be because she gave you permission to do what you want.
Inga feels secure in the thought that her tubes being tied means she can no longer get pregnant, and that's most of why she's permitting you to have sex with her in the first place. If you were to change that with the hack and she wound up pregnant, it would rattle her to a large degree and her actions from there will depend largely on the situation. However, at the very least she will be suing the hospital that performed her operation. She will not hold you responsible for the child you produce together since she views this as entirely a fault of her and the botched operation by the hospital.
Other relevant quirks
Breakdown of specific sex acts
For the nitty gritty stuff that wasn't worth mentioning above. Lots of repetition of the same points, you probably won't be surprised by much or see a lot you couldn't guess from the above content, but there might be a little new content relevant in strange off-beat situations.
(Too much content without enough purpose, content is linked below.)