Not Until We’re Married? – Workday 108 Trivia, 9-21-11

If a woman does not do this by the time she's gone out on 15 dates with a man, the man may consider the relationship doomed. What?

Read more to get the answer, then use that answer to win prizes online with Cars 108 Passenger Rewards.

Lots of good guesses on this, but Darrell Stinson from Clio figured it out. The correct answer is, "give him a key to her place."