Wassup with Harvard?

[discntnt_irny_srcsm]

1. Perhaps...

...you could just keep a "date" card in your wallet. You meet someone for a date and they sign your card accepting the date. If, at some point things progress further, your date gives you their preauthorized "sex" card with the "Sex OK" block punched out, kinda like voting.

Of course that would give a whole new spin on the term "dangling chad".