Can't seem to get this question on the sexuality forum, so I'm going to try posting it here.
My boyfriend has been concerned about the lack of sensitivity the head of his penis seems to be experiencing. He is uncircumcized. He finds it feeling numb to sensations of warm or cold (like a cold glass against the head). We don't know if it's normal or if it's possibly impacting our sex life (symptomatic of arousal problems?). Note that regular intercourse is fine for us, as the shaft of his penis is still quite sensitive.
It's been frustrating for me as during fellatio, I always understood that the head of the penis is the most sensitive. However, it turns out that I've been my wasting energy in performing fellatio as he doesn't really feel it. It's left us both feeling unsatisfied with this part of our sex life.
Any thoughts/ideas?