The problem with AWAM is that he presented Sophia as a boundary oriented woman, thoughful, not light headed, with a strong frame. And that is what blocks him, that is why the flashback was a big mistake.
The Sophia with values and frame, would never fuck her friends dad. Im not talking about her as a virgin, or a slut, or that shit conversation, or having her premarital sex or not. We are talking about having dates and sex with your friends DAD, that is something the Sophia we knew wouldnt had done, so either the S1 Sophia was a fraud and we are angy on her and feel betrayed by the author because he made us lost our time, or the flashback was a stupid mistake because he improvised something to force the story forward and didn't worked.
The main problem with AWAM is not excesive characters, that is only a problem if you expect her to have sex with everyone. He can clarify that Sophia is not going to have sex with everyone and leave that to the fan made side of things. It is not excesive branches, if those branches were high quality, we would be enjoying the journey, but because it is not enjoyable anymore, there is a general novel ending anxiety that works for his pocket but not for the AWAM story at all.
The main problem is that he is trying to make her have sex in a REALISTIC way (this is very important) with underdeveloped teenagers through a 1000 concessions, and that is not going to work, no matter how creative he becomes in the setting for the "corruption" process. There is a point were things get ridiculous, the Cello scene was embarrasing if you think about it from a 40 yo woman's perspective (it might not if you think the virgin teenager boy dream). Imagine you are the woman, and you are there, naked infront of a 15yo guy with her mother outside and you stop doing the horrible sounds of the first six months of clasical instrument training, it is embarrasing. The same is going to happen with the club scene in the next update, imagine a 40yo woman, walking through a club with a 15yo kid close to her (dont ask me how he was allowed to get in...), and 25/35 handsome men walking around, the situation is embarrasing, not arousing.
As people had pointed, Sophia is 40ish at 2020, that means that she turns on tv and she sees the fucking Chris Hemsworth playing Thor, or Zac Effront, or olimpic swimmers. Then she walks away and in real life she watches men like the janitor, the mover, DeShawn, Bennet, and handsome people she casually walks by. There is no way she could find attractive underdeveloped teenagers, imagine a 15yo guy naked close to a real man, how ridiculous that looks like.
Sophia story should inmediately quit the kids mistake, corrupt her through an interesting adults journey, and then, if you score all the corruption points, and you break all her frame and her boundaries through adults experiences, maybe, given the right circunstances at the right moment, she could have a mistake with the young teenagers. The other way around, well, you would better play this one, is more fun...
Mira
A hint, a woman like Sophia, before cheating would go on her husband 100% hints like "fuck me TONIGHT!", if that doesn't work and she internalise having extramarital sex, she would cheat away from the family, because protecting the family is one of her core values (this is partially why the neightbours Cello thing was REALLY stupid). She would go clubbing and met someone there from the other side of the city, or she would have a casual affair in the sauna with an unknown guy, or she would date a father with a kid with no remote relationship with his son and her daughter, or she would have a casual affair at the gym where she goes alone, etc... She would never cheat with someone around her family initially, but then, once the wheel starts to move, maybe things get out of bounds.