Hi Elsa,
Yes that is pretty normal. It is part of accepting yourself. Working through it with your therapist is good, if you have one. If not time to see one. Even your family Doc can help. Quite mild antidepressants can help a lot. I know

You also need to build your confidence up. There is nothing wrong, odd, strange or peculiar about you. You are a normal woman. Develop a little mantra to take your mind away from the morbid thoughts. Helen Reddy's 'I am woman' can be a pretty damn good place to start.
Once you get into a happy place, feel it. Let the happy wash over you so the scared little brain cells accept it.
Smile.
Smile even when you feel miserable, particularly when you feel miserable.
Why? People smile back. It is addictive. They may speak to you, 'you look happy' "Yes I'm feeling really good, how about you" Whoops you have started another friendship.
Your brain wants to be happy, tell it to be so.
And guess what?
Post here and tell us how you feel. Join in with gossip. The more you gossip the more contacts you have and all of a sudden you aren't lonely anymore. You have friends who care about you. You have one now, me

Hugs
Cindy