Why/what does/makes a man become, possessive, demanding after sleeping with him?

We had sex a few times for two years it was on and off but recently he came back into my life after sleeping with him he became more demanding he want it more of my attention he would get mad when I wouldn’t ask to him to see him or when I would ignore him he would catch an attitude after sleeping with him we would go for a walk and he would always ask me which side I want it to walk on.

Why/what does/makes a man become, possessive, demanding after sleeping with him?
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