How do I get comfortable with my body?

I hate my body, and I always hear people telling me I should be happy with who I am and all that. I'm a confident person and I'm really outgoing. Just not with my body. So, I'm 5 foot 5.75 inches and 108 pounds. I'm what people would call "flat as a pancake" with size A cup breasts. My thighs touch and I feel like I have thunder thighs and the fattest legs in the world. I feel fat and ugly, and I just don't know how people can find the confidence and the viewpoint to be comfortable with their body! And don't get me started with my face. I used to have acne (which thankfully has cleared up) and I have scars. Not the dents that form from lack of tissue, but irregular coloring. As in my skin isn't all one color. I hate how I look, and I'm just trying to find a way to accept myself for who I am. Help anyone?
How do I get comfortable with my body?
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