You essentially upped your VALUE in her eyes by showing her that, if she wants you, she has to at times do things that you like to do. You are SOMETHING after all. You are NOT FREE. If she wants to hang with you, it's going to cost her something — time, effort, money.
Quote taken from The SoSuave Guide to Women and Dating, which you can read for FREE.
Originally posted by Bill
If by advice you mean "life-changing essays", then Pook's your man. The man will not do your homework, but he will put you on the right track.
-Bill