IMPOSSIBLE QUESTION:
12% of all people say that if their boyfriend or girlfriend did this it would be grounds for a break-up; what is it? 

It’s a little less likely that a married person would break-up just because of this

ANSWER:
12% of all people agree that if their boyfriend or girlfriend forgot their birthday they would break up with them!    

Congratulations to Dominick Sartain of Hagerstown, IN for being the first to correctly answer the Impossible Question!