Is it ok to never have a girlfriend?

I'm 40 I've never had a girlfriend. All the relationships I've seen in my life, my parents, sister, other people they all hate being with someone after a while. My parents fought all the time. They hate each other and they fought over the best way to raise me. I look at all the people around me and they aren't happy. I never wanted kids so they didn't have to go through the things I did. I never had a relationship because it's looks way too stressful to me. Yes there's sex but you can get that other ways. I am embarrassed by never having one but I don't see any happiness in having one.

Is it ok to never have a girlfriend?
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