Calling the cops on your own blood, hot damn! On the one hand, she was completely abused the offer to use his car, and used it longer than he offered. But also, did she know she'd get arrested if she didn't give it back? Seems kind of like a waste of police resources. Isn't there a way to solve issues among your own family without getting the police involved? This guy asked the internet if he was a jerk for disowned his sister for marrying his childhood bully.