We pick our noses too.
By attracting other males through post-copulatory calls, the female might provoke mate guarding behavior in their initial mate.
She expected him to read the nonverbal cues and he totally missed them.
Such a discussion will give you even better insight than reading this list.
It also gives the woman something extra to feel turned on about as she observes her man feeling genuinely attracted to and aroused by her.
When he created the that he now teaches here at The Modern Man, beautiful women began flooding into his life and wanting to be with him.