I'm tired of feeling insecure

Amber💕
I am 20 years old and I used to be under 200 pounds until Freshman Year hit. I had tore my ACL in 8th grade basketball and could'nt do any sports for 2 years. I am a very insecure person about my body weight. 5 years ago, my ex boyfriend of 3 years had broken up with me because I gained weight after my knee surgery. I weighed about 160 before I had my surgery and since then I have gone up to 213 pounds. I'm trying to break the 200 pound marker, but I can't, I try really hard and nothing helps. I am 5 foot 11 inches and weight 213lbs. I'm a broad person and I just started wearing bathing suites that cover my stomach & I wear shorts to cover my fat thighs, I have stretch marks on my love handles and my inner tighs. I try to hide them along with my belly rolls. I wish I could embrace myself to be confertable in my body, but I can't. I'm stuck in the past. What my ex boyfriend did to me really damaged me as a person and I can't handle it anymore. I'm now in a new relationship after 5 years from being apart of the guy that broke up with me for being "fat" my boyfriend of a year and 4 months loves me for what I am and for who I am. He loves my body the way it is, I just wish I could tone it up for my sake an his sake. I hate getting undressed upfront of him, and I'm ashamed to try and wear sexy clothes up front of him because I'm afraid that he will judge me and lose interest in me because of my weight. 😞😔 
I HATE IT!!!