If you are in a fitful moment of passion and you want to slow the party train down, do this:
Ready for it? I'm about to give you the keys to the kingdom...
Scream out, "Dick Cheney! Dick Cheney in a wheelchair at the inauguration! Donald Rumsfuck. The entire administration!" To this your future-but-not-right-now lover will say, "Oh God. Oh God, no." And this will give you both the chance to cool off.