Without really knowing what he is asking you to do, what the real sitch is, etc., my vote is...

Keep him hanging. Tell him you are sorry but you have plans tonight.

I know what it does to me when my W or another woman (from my pre-M days) does that to me... wink

Me 42, W 39, S8, S6, S2
M 11y, A & ILYBNILWY 11/08
Walking away from a bad situation.

My Sitch

Strength and Compassion
No Resentment