Male friend is sabotaging my relationships?

I have a male friend, that I'm good friends with for the last few years. He messaged me on instagram one day & we basically have carried on conversation since that day. He never asked me out or anything, but he did ask for my Snapchat, I gave it to him & we also have exchanged phone numbers, we text all the time. He's dated a couple people while being friends & he would text me like normal when he was dating someone, the last person he was with, cheated on him & he confided in me about it. He has always remained friendly with me, but he has texted me drunk before, at 1-2 in the morning while I'm sleeping just randomly out of the blue. He has sent me paragraphs while intoxicated, about how amazing I am, how I deserve someone so great, I'm beautiful, this & that, just going on & on. He never did this sober. His behavior was completely different when sober, like almost awkward. I even confronted him at one point asking if he had feelings, he denied it & got super defensive, like weirdly defensive.

Anytime, I date someone & if I were to become upset over them, he would tell me that they didn't deserve me & would convince me to break up with them every single time, I would get defensive about breaking up with the other person & then he would still try to convince me to dump them. This has been an ongoing thing with every relationship.

I would like to know what's going on, I'm curious as to what other people think. I don't feel like he's telling me the truth about how he feels & I know he'll never admit it.

Male friend is sabotaging my relationships?
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