I'm not a person of high moral caliber or particularly squeamish, but to have another guy rubbing the feet of a girl I was cuddling with would likely creep me out. Especially if someone was taking pictures. :P
"It's nice to boob you -- uh, I mean, nice to meet boobs -- I mean -- I'm sorry, I'm not feeling my breast today -- I mean boobs -- NO! I mean... FUUUUUUUUUUUUUUUCK!!!!!" *runs away screaming*