Why would he want to fuck again? will he become more clingy or is he still clingy towards me? and what does his clingyness means towards me?

I had sex with my cousin who i didn't grew up with back in 2017 i had went again in 2019 and he barely confessed he want it to have sex with me again that year and he want to have sex with me this year when i go visit him, i notice he became really clingy after we had sex i have no idea why he has been wanting to have sex all over again. I didn't think he would want to have sex with me again.
Why would he want to fuck again? will he become more clingy or is he still clingy towards me? and what does his clingyness means towards me?
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