QUESTION:  
Only 10% of all men say they have never done this in the presence of a woman that they are attracted to; what is it?

 
It has something to do with a part of his body 
He probably is trying to make himself look like he’s in better shape than he really is 

ANSWER:
Only 10% of all men say they have never sucked in their stomach while in the presence of a woman they are attracted to!      

Congratulations to Nate Bevins of Greenville, OH for being the first to answer the Impossible Question correctly!