If you can do it discreetly, check the amount of the bill before you offer to pay for everything.
Quote of the Day:
"And you don't want me to buy you clothes" Sarah's mom
"You can buy clothes.... "Sarah
"Just not underwear?" Sarah's mom
"What, you don't think your mom can pick you out a thong? I have to make sure it has some crude word on it though... I think I'll get you a thong that says 'if you can read this you're too close to my daughter'" Sarah's mom