My girlfriend and I were having sex last night and she had gotten me so hard in her mouth that I was having trouble holding back the cum. Especially when she orgasms and i can feel her pussy clenching tightly around my dick and then this flood of warm pussy juice comes and makes everything real slippery. Actually I think it's just the mental thing of realizing that she's coming that always puts me on the edge. Anyway, I didn't want to cum so during her orgasm I was clenching my PC muscle like:aargh4: and I realized she could feel my cockhead swelling inside her...I wasn't even moving, just buried in her, flexing my dick, and she came again! Just wondering how much all y'all use your PC muscles and if you try to always clench it or always relax it, or alternate between the two or what? And to the ladies, how much can you feel it, and do you do Kegels of your own during sex or is it basically just when you cum that the muscles spasm and contract?