What is the ONE most important thing girls should be taught about guys to prepare them for life?

VOTE!
VOTE!
Guys are cool
Fellas love food
Gentlemen crave romance
Dudes will disappoint
Boys will blow your mind
Men are dangerous
Blokes are a mystery
Select gender and age to cast your vote:
What is the ONE most important thing girls should be taught about guys to prepare them for life?
Post Opinion