What we have here is a classic example of teenager stupidity and inability to comprehend the consequences of their actions. Rosie wanting to slip out is perfectly understandable given the circumstances, but there are several issues with her actually doing it.
She's basically on house arrest as far as her parents are concerned, and with very good reason from any responsible adult POV. A recent hospitalization, known drug use, pregnancy, emotional fragility, etc.
I think it worthwhile to examine this from Rosie's pov. How she is (likely) experiencing things:
What we have here is classic example an victim of sexual assault being confined via the (implicit?) threat of poverty and homelessness for her and her newborn baby by the person who is partially responsible (as it was Jared's club friend) for her being assaulted and the person she hoped would help, who refused to protect her, when she spoke up (her mother). Emotionally, that's the sort of betrayal that tends to not be forgiven for decades (if ever) - and Mrs Wilson has strong emotional incentive to
never believe Rosie.
To make my stance clear: Rosie should
not be in that house. She should have a place of her own and with that the
power to set and enforce boundaries.
Rosie
does not know that she has options. She thinks; that for the future wellbeing of her child she
has to stay with her mother and stepdad. She doesn't know she has an 'out' - does not know that Molly can basically print a fair amount of money, easily enough for Rosie to get her own flat and support herself and her baby.
Taking her out to facilitate her making new healthy social connections, on her terms where she
gets to have a say is, imo, very important. The woman needs to make friends and have opportunities to meaningfully express her own agency in decision making. That ain't gonna happen if we leave her with Jared and Mrs Wilson.
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Neither her mother or stepdad qualify as 'responsible adult'. And where they are coming from, how things look from their perspective and if they make 'the right choice based on the information they have' stopped mattering... in around the time Mrs. Wilson chose to not believe Rosie when her daughter told her one of Jared's club friends tried to rape her.
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Edit: Ohhh! Idea! So this is looking to the mid-term future and this situation is complicated and messy but we have a nuclear option that I kinda wanna use:
Say Rosie gets her own place and gets settled in; then her mother and Jared are going to come and ask 'how that hell are you managing this income?' Buttt if Rosie is in an emotional place where she can talk to someone about what was done to her, she might talk to Charity before that.
And if Charity is aware then Rosie gets two things: Access to a babysitter and a source of parenting advice and assistance, and a scary adult woman who is going to go
full Mama Bear when Mrs. Wilson and Jared show up. I mean, we player's don't need to see it - even off-screen having Charity on Rosie's side is a pretty big deal.