Are all people meant to be in a relationship?

Alright, so talking with my friends, we've been trying to find reasons why some people are incapable of finding themselves a person to be in a relationship with.
why some people even though they try hard going on dating ups, going out on dates, talking with people they like, they end up in the end still all alone and stuck in a circle of search and nothing.

I believe that not all people are meant to find a relationship, they should be happy being on their own and others shouldn't judge them for that. My friends say I'm wrong for many different reasons

I'm looking forward to hearing what other have to say :)
Are all people meant to be in a relationship?
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