Originally Posted by OptionD
So maybe what your partner is worried about is the possibility that your being with other men diminishes the amount that you require his emotional connection as you could be getting it from others. Also the perceived power imbalance in the relationship, where he may feel insecure about you having a more satisfying sex life than he is, so you may outstrip him emotionally in that regard, with the prospect of the relationship fall apart, or at least be less fulfilling as a result of it.
I don't want to derail the thread by latching onto this issue, but how exactly can a man do this with a woman without the woman choosing for the exact same experience? There are two tangoing, aren't there?