The theory is widely reported, but there are a number of other theories as well. I'd guess that several reasons for this shape have converged. But the vulva theory is most fun.
Especially when the heart is drawn with an arrow going into it. 
__________________
Shut up and hug. MoreThanPretty, Nov 5, 2008.
Just because I'm nominally polite, does not make me a pussy. Sundae Girl.
|