I paid for my sister’s education while working two jobs, only to be called a “loser” at family dinners. She was shocked when I stopped paying rent and told everyone why she could no longer afford her lifestyle… It started with “just textbooks,” then it escalated to rent, utilities, “stress-out” nights — and ended with Lauren posting photos of designer clothes while I skipped meals to pay the bills. “Family helps family,” my parents said — meaning I helped her. At Sunday dinner, between boasts ab