1.) The offer looked attractive at the time.  Although, your decision was probably heavily influenced by the atmosphere of alcohol and partying.

2.) She’s been with a lot other guys you know.

3.) She won’t stop calling you and she leaves a message after every call.

4.) She’s the reason you’re broke.

5.) She keeps accruing in size as time goes on.

6.) That trollop still won’t stop calling you.  She just called you from a different number to check if you’re screening your calls.

7.) Your friends all hate her too.

8.) She wants you to get a job and settle down

9.) You only get screwed once a month.

10.) For serious, she just called your parents looking for you.