Are You a Macho Macho Man? Then You Might Want to Use a Condom

Really this is just a warning, for you men with real machismo, especially if this manliness is portrayed in your face, because fertile women are more likely to be attracted to you.  Be wary unless you want a whole lot little scamps running around.

But to be honest, don't be a douchebag anyway.  Until you are mature enough to deal with the consequences, good or bad, of having a child or an std, then how about you strap up before sex? 

Read the EurekAlert! press release, Men with macho faces attractive to fertile women, researchers find