i dunno. i've been blessed with well-endowed men (lol, lucky me) and the one guy i've been with that had a smaller, uhm, unit...i had mixed feeling for. like, he was a nice guy, just not what i'm used to in bed...so yeah, i guess size does matter, but it's not the most important thing in the world. it's a perk, but it wouldn't stop me from being with anyone.