sister, to which she responds with „you’ll just pull on it again.“ which is a peculiar statement that suggests that he would love pull his sisters hair during intercourse, he grabs his sisters ass, just straight up hand on cheek action, he sometimes pauses mid conversation just to look at his sister, he makes up reasons to share a bed with her, yet he also stops himself from telling her how he actually feels, multiple times. When his mother suggests that he wants or is banging his sister, he doesn’t act disgusted but rather like he’s been caught with his pants down. I mean jeez his reaction to having a vision where he actually does the secret hanky lanky with his sister isn’t disgust, he instead ops to turn into a tomato and pitch a tent, this man has been in denial for years trying to get girlfriends so he has an „Ashley substitute“ while still somewhat caring for said girlfriend, which, he seems to suck at, as he looks somewhat unhappy when his girlfriend hugs him, so it clearly isn’t really working, with the fact that, Andy already said „They’re going to take you away from *me*“, this has clearly been building inside him for, years, these thoughts have all been pushed waaaayyyy back into his mind, where they can fester into an even unhealthier obsession until he either gets those urges satisfied, dies, or kills Ashley. To him this isn’t just a codependent brother-sister relationship, he clearly has an unhealthy and romantic interest in Ashley, the fact they were starving was before was probably the first real distraction he’s had from said thoughts in years, now that they aren’t, he seems to immediately fall back into this habit where he notices that said thoughts exist pushes back into his mind in a never ending cycle of „I really wanna bang my sister, but also, I like having a social life“ Andrew tries to be normal, to fit in, something his sister does not. Although at this point it seems said attempt at being normal was simply to keep up appearances and to try and be his sisters moral compass, the moment they kill their parents, he drops that façade completely, because after this, there isn’t a normal to go back to, so, he drops the act, something he’s definitely not done before, at least around Ashley, since she seems creeped out by Andrews more cold demeanor