We, occasionally, need to adjust our little friend and make him happy. It's much like adjusting your bra. It's a testosterone thing. Much similar to your PMS thing. We men suffer from testosterone poisoning.
Hormones modify behavior.
We're just misunderstood . We like to. Plain and Simple. You'd learn to keep your big mouth shut too if every time you open it, you get in trouble with your partner. Unless we are experiencing some extreme emotion like rage, hatred, disgust or a brick to the head, we have no idea how we feel.