Sensitivity varies from person to person. There are indeed men for whom the nipples are not erogenous zones. "What a shame!" one might want to say to them—after all, nipples are the very symbol of primal trust. Even a gay man, after all, once happily and successfully suckled at them. Indeed, nipples are part of a man's intimate areas, and exposing them requires a significant leap of faith. However, "titwork" is not solely—or even primarily—associated with pain; interestingly,
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