Please help I’ve been a horrible person

Hi I’m going to leave anon just for now, but I’ve been a horrible gf for three years. I’ve been the toxic one. I never let him do anything. We don’t go out no more cause im insecure.

But I want to change for him.

He’s been so cooped up and sad lately I need stop being so toxic . Please help me . Any ideas? Please don’t be mean or evil I’m trying. I really want to stop being like this.