If a guy is unusually nice, is he interested in dating you?

I used to know a guy who had an extremely nice friend and one day I told the guy, “your friend is really nice.” And he said, “that’s cause he is wanted to sleep with you.” After that, I became suspicious of very nice people. Being normal nice is normal, but when a guy is extremely nice, makes me wonder.

If a guy is unusually nice, is he interested in dating you?
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