I paid bills at home, but mom moved her friend and kids into my room, so I left, and now she's begging me back. Part 2: It started with a simple statement from Kelly, my mom’s friend who was temporarily staying with us along with her two young kids. “They’re kids, not monsters,” she said, crossing her arms. “If you just let them play, they’ll probably leave your stuff alone.” I stared at her, stunned. “Let them play on my $3,000 setup? Are you serious? No way.” She rolled her eyes. “You’re...