How can I overcome this situation?

I don't like myself at all I feel worthless I constantly compare myself to others
I've never had a boyfriend. I've never been in love. I have never been loved by a man. I grew up in a loveless family, my mother left me when I was a baby and my father never loved or cared about me. My friends at school always excluded me, I never lived my childhood, even though I don't show it to anyone, I am hungry for love and attention. Even if I pay attention to my appearance, I feel ugly. When I see happy couples and happy families on the street, I continue to disgust myself.
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I am suffering so deeply that I cannot express it in words. Streets and cities are full of people who love each other. I don't want to witness this pain anymore. I say suffering because this is something I want so much, it flashes before my eyes every day, but I can't get it.
How can I overcome this situation?
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