heh heh heh...am reading thru Cosmopolitan April 2007.
In 99 sex facts no one's ever told you....heres a interesting
one.
6. One unconventional way to prevent pregnancy: Get your guy some
polyester undies. According to research, men who wore polyester
underwear becomes temporarily sterile, possibly due to abnormally
high testicular temps and electromagnetic fields.
Guys...what material undies you wear?