I have only liked one guy in my life?

Anonymous
I'm starting to think something is wrong with me. I'm in my 20's but I have only had romantic interest in one guy. I have seen guys I have thought were attractive, and met guys who were really nice but I have had no interest in dating them and didn't feel anything towards them. And I'm not necessarily talking intense attraction or love at first sight or anything like that, just a simple crush. I am not sure if this is normal and/or healthy? Any ideas of what could be wrong with me?
I have only liked one guy in my life?
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