Originally Posted by Martian

Mony in relationships is always a bit touchy. It's hard to say really who should cover this without knowing you and your girlfriend.

That said, I'd think that she should pay for it. She and her dad can work out between the two of them who's going to pay for what, but it's her fault and therefore her responsibility.

Being a good boyfriend doesn't mean you clean up her messes for her. Don't rub it in her face or anything, but let her deal with it herself.