ok need advice year ago parents got divorced m two sisters mom moved across country weve living different state mom new job shes met people work well  months living meets guy work invited yesterday came hung little bit hes pretty chill dude cool came today spent literally whole day here daughter whos one grade seems decently nice came today him basically need help big changes happening dont know handle them mom knowing her probably going marry man point theyve already gotten pretty close meaning ill step dad step sister pretty soon pls help dont know handle things