Oh no, it's that time of the month again - time to pay the rent.
Tim: Comes round fast enough, doesn't it?
Alice: Yeah and I'm so broke just now. I don't know where my money goes.
Tim: You need to tighten your belt Alice. Well, I'm fairly flush this month, want me to lend you some cash?
Alice: Tim, would you?
Tim: Sure, you know me, always willing to help a damsel in distress. There's only one small catch......