Well when my wife was going to school she had 3 or 4 guys that she dated through the years that she did. Then she went to college and her and her best friend went on a trip to Europe. She was also meeting up with a guy she had dated that was in the military in Germany. She did the 2 week tour thing with other college aged students and she did a guy that was on the tour a couple times. She also admitted to boinking one of the tour guides (he was in his late 30s and she was 19. She finally met up with the b/f and they traveled together for a coupe weeks fucking their way through Europe. When she returned back to the U.S. she started dating a couple guys. Then she and I hooked up and in the beginning of the marriage she admitted to all above. Now she conveniently has forgotten about what she did in her past to some extent.
Since we've been together she has done one other guy who is a very old friend of mine and did it with my OK. That was just a few years ago but she rarely speaks of it...