My friend’s gay, from a traditional working class family. He’s in his 50s now, but he told me that he had never been attracted to girls and always knew he was different. He had no “gay” role-models - just the opposite, in fact, gay people were often ridiculed.
He met his first (and only) partner when he was a young man, and they are still together (and very happy).
I also have an older cousin from a similar traditional background who is gay and didn’t “come out” until his 40s, because of fear of social rejection. He never had a girlfriend all his life, although people were always trying to set him up on dates. He was right to fear the rejection, as all his drinking buddies deserted him overnight. His partner had been married, but this had been a result of social pressure, not because he wanted a wife.
Eventually, his partner (a chef) was the victim of a homophobic attack where he was badly beaten and left unconscious in freezing temperatures. His hands were broken in the attack and he never worked as a chef again. His health deteriorated, his life was ruined and he died some years later.
Gay people don’t choose to be gay, just like I didn’t choose to be straight. It can be a difficult path in life for some gay people.