The story is that he was so vain that he fell in love with, or was so horny for, his own reflection that he died.
Some versions have him starving to death because looking at himself was a higher priority that eating, others have him kill himself because he couldn’t marry/fuck himself. Nothing to do with him “not dating anyone”.
I think he was a teen in the story, but since no one was fucking, I am not so sure it was pedophillic