Marie Claire magazine did a poll with male and female readers to see if they ever snoop on Facebook to get a peak at an ex ...

SHE SAID: 75% of women admit they peek at their ex's profile occasionally, with 15% of women saying they do it constantly.

HE SAID: 34% of men are absolutely against the idea of their girlfriend or wife friending her ex on Facebook. 26% are only OK with the idea if they have met her ex before.