Why do guys hate giving reassurance in a relationship?

I’ve been dumped four times in the past 8 months because I’ve wanted reassurance because I have anxiety. I tell them up front that I have anxiety, they say that they can deal with it and then it ends up pushing them away anyway. It’s getting to the point where I’m thinking I’m trash and I shouldn’t bother dating. I’d really like to get married and settle down.
Why do guys hate giving reassurance in a relationship?
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