My college ex-girlfriend used to love to do this, my ex-wife grudgingly did it occasionally, my wife not so much.
From my girlfriend I got VERY complete descriptions of her sister, all her friends, several girls from her dorm...
There are a few of my wife's friends I'd love to get the details on, so far she has refused every effort to get her to give it up. The other day though she took great delight in letting me know that she saw one of the women on my list topless while they were out on a girls' weekend, that she looked fantastic and knew I'd think so too. I think she wants to, she probably just wants to make sure she gets something in return.
