Normally what happens is that after a break up, people lose their self confidence for a while. They kind of blame themselves for the break up. The memories associated with everything thing and every place haunt u. Plus the fear being alone as u were in a relationship for some time, u r not used to being alone. All these things lead to such symptoms. It's okay. It's normal. U need to give yourself time. U r a normal human with feelings. It's normal to be hurt.