fuckboy alert?

this guy I've been sleeping with has talked about having unprotected sex and has gone as far as to suggest that I go on the pill, which I said I won't cause I was on it before and it really didn't agree with me. 
He keeps making little comments now and then about me going on the pill. 
he's also slept with 17 people which is obviously be a concern if we had unprotected sex cause idk who else he's done that with. 
Then again, I've had unprotected sex (with someone else) when I'm drunk, cause I was basically out of it and didn't care. I regretted it the next morning.
  So can I trust this guy or should I stop sleeping with him even though the sex is the best I've ever had

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