Men how do you deal with body insecurities?

I am currently talking to a guy but he has insecurities. He doesn't love himself even though I find him really attractive and I tell him every time I have the chance to do so. The problem is that even though he doesn't care what others think of him, he is his own enemy. He picks on himself of every part of his body. He says he needs someone but I don't understand what he means by that. We were wanting to date but we had a set back and are slowly gaining trust and confidence together. I dealt with my insecurities alone so I really don't know what to tell him or how to be there for him.

Men how do you deal with body insecurities?
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