Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?

I’ve been in previous relationships where I got cheated on and body shamed so I’m in the I don't know spot with this issue. I know I’m insecure from past relationship but I want to know if I should not get upset over my boyfriend watching videos of random girls shaking their ass and saving the videos. I had previous conversations about how it hurts me but I feel like deep down I shouldn’t be upset because it human nature. Each time he told me he wouldn’t but continued anyways. He likes ass so I don't know if he has a problem or if it’s normal for men to do that. He said it’s an habit from when he was single. Seems like a habit or a hobby for him. I’m always overthinking about him saving videos and getting off to women shaking their ass. I deep down feel like he’ll fall out of love with me or lose attraction from watching those video. So I need some advice. Is it something I shouldn’t worry about? Down below is some video he saved. Please give me some advice!
Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?
Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?
Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?
Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?
Is it alright for my boyfriend to save, like, and watch girls on tiktok shaking their a$$?
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