How is self-emotional abuse detrimental to my well-being?

I abuse myself a lot over how bad I am at talking to girls and my poor looks, calling myself all sorts of names oftenly like "dumbass", "retard", "sexually repulsive phaggot", and make all sorts of hurtful comments towards myself.

It's been going on for a few months now and in the first couple of months, I think I went into mild depression because of it, but now I have sort of toughened up to myself so it doesn't hurt me as much. But I still continue to do it and I have tried to get so much help from people on various forums, and I may stop for a few days, but then go back to mentally abusing myself again in that manner.

Is this detrimental enough for me to seek some professional help?
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How is self-emotional abuse detrimental to my well-being?
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