Conversation A

(later that day, dan and mark are in their dorm room.)

dan: i acn't believe this!

mark: what?

dan: my dad e-mailed me back. he canceled all my credit cards!

mark: really? why?

dan: i spent too much money last month.

mark: i believe it . you spent more money last month than i spent last year.

dan: how do you know?

mark: i live with you, remember? you're not very careful with your money.