Originally posted by Halo
Barbed thingies are just Nature's way of ensuring that critters don't enjoy sex tooooooo much. Otherwise there would be too many deer running across highways and eating people's shrubs and flowers and ... oh. 
It's kind of like Lewis Black's rant about Candy Corn, and how you can only eat it once a year.
Something akin to candy corn being so bad, but not bad enough that when the next year rolls around, you have forgotten how bad it was.
