I believe I saw a survey, or some such thing, that said men over-rate themselves and women under-rate themselves. It sure is my experience that guys most women would rate a 6 consider themselves more like a 9 or 10. We women are much more critical of ourselves.
I also find it interesting how many of the guys picked up "vibes" that Melana was really interested in them, when there didn't seem to be any such "vibe" apparent to me (could have been edited though). Still, I think guys overestimate their attractive quotient and often read "vibes" where there are none. I noticed this same thing occurring in "For Love or Money" and "Joe Millionaire 2" (or whatever it was called).