personally, i am very self conscious about my body, no matter what Master says. However, although i find myself turned on by verbal humiliation along the lines of "cunt, slut, whore" and the such, there are some words which not only turn me off, but make me want to cry (i.e. the ones 'insulting' my body or my intelligence). Especially during play, when i really focus on Master and Master alone, if i get the idea that i'm not pleasing him, or that he views me as unworthy, it completely ruins me.