Before my sex-change operation I used to get so frustrated with all the boorish men who would charge into Women's Issues, dick first, spewing their hormonal desperation all over the place.
Nowadays, My dick and I can barely tolerate the hair-trigger bitchiness that underlies every single thread in the sub-forum.
To answer your question:
Genesis 2:2122:
"And God caused a deep sleep to fall upon Adam, and he slept: and he took one of his ribs, and closed up the flesh instead thereof; And the rib, which God had taken from man, made he a woman, and brought her unto the man"