*has already turned to accompany you when she realizes that the boys are indeed following*
*stops walking abruptly* Hang on. There's no need to get these two involved just because my niece has serious emotional and possible mental issues. *finally introducing herself to your son and his friend* Guys, I'm Lily's aunt and she's in a bit of a scrape. We're going to figure out a way to help her but we—I think I can speak for both of us here?—don't need you guys getting in trouble, too.