Family relationships

So I have an aunt that owes me $200. She borrowed it almost 2 months ago and said she’d pay me back 3 weeks from the date. Well she set the time far enough out to where I forgot she even owed me. So I remembered a couple weeks ago and I brought it up. She was like “I’ll pay you next month” I told her no you won’t I want my money from her next pay check. She claimed she’d just gotten paid and spent it on rent and would get paid two weeks later. Today is two weeks later and she’s claiming she doesn’t get paid today she gets paid next week. I told her she’s a liar and no one gets paid every 3 weeks. Her checks are biweekly. Now she’s gambling with other members of my family while she owes me money. They’re all telling me I’m being petty and since I’m not hurting for cash to just let her have it. Am I really in the wrong for being pissed ??