should I?

So I'm 16 and talking to this 24 year old. He knows I'm celibate and respects that but also brings up sex frequently. I'm yet to meet him and my friends are warning me off the idea, one says if I really want to only meet him at a public place but overall they all think he's up to no good. What do I do? Do I give him a chance? I'm kind of bored really.