so his younger sister would be around 24/25 and would have only recently showed up in austin on his doorstep. she would have been kind of the hot mess of the family back in mn! their parents probably finally had it with her, so she headed on down to texas because he was kind of a last resort. the age gap between them sort of made it hard for them to ever really bond that much so it'd be kind of a starting point for them both.