It means she already has a set of fuck buddies and she doesn't need any more. Unless some super hot guy matches with her but she doesn't want to send the message that everyone has a shot.
Because it just further shows the blatant hypocrisy of the Christian right who claim to be all about family values. It shows them for the morally bankrupt hypocrites that they are. They don't care about morals, they only care about winning.