I have very sensitive nipples. I like to gently stroke, twist, pluck and tease my nipples. My cock erects and bobs around. It stays nicely hard, stands on its own, and becomes highly sensitive so that just lightly caressing the frenulum and switching between nipple stimulation and cock stimulation builds up the sensitivity until it erupts. My lady kisses, licks, and sucks my nipples during sex too! Also, I have a dildo that I use to stimulate my prostate. When I combine that with nipple play, sometimes the results leaves me gasping for air after ejaculation. Explore your body to find your special spots and don't rush. Your woman needs to be warmed up before you enter her. So take your time and don't rush to a conclusion! I wish you many happy cums!