How would you feel if your crush is posting pics with a skinner girl than you and her ass in a bikini?

we hooked up once and he friendzoned me, and just wanted nudes from me so I deleted him and he never cared or reached out again

in that video he was WAAAAY more touchy with her than he was with me when we hung out she’s very attractive she had a boyfriend so they where just friends but given the nature of the photo i’d very much so guess she’s single or dating him now. Is it normal I feel VERY insecure and almost wonder if he rejected me because he likes her or thinks she’s better
How would you feel if your crush is posting pics with a skinner girl than you and her ass in a bikini?
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