I need to detach, but I don't know how to. Any help?

I started seeing this guy, very smart, very handsome, very wealthy, all in one right? He also is prideful and what not. And I feel like Im falling for him, I literally feel intoxicated, but he doesn't want anything like boyfriend/girlfriend. He wants a bond that is psychological/emotional/intellectual/sexual but without the attachment. I don't think it is healthy for me to keep on seeing him but I also cannot seem to go away from him. What should I do to detach from him before he detaches from me. That's what Im scared of. Deep in me I know he'll end up leaving.

I need to detach, but I don't know how to. Any help?
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