Is it a red flag if a guy I am talking to keeps on following and unfollowing girls who dont follow him back on instagram?

So we have been talking since 4 months and he keeps on saying that he likes me and that I'm the only girl he talks to etc but his instagram behavior says otherwise, I have noticed that he follows a lot of girls and when they don't follow him back he will unfollow them, so what caught my attention recently is there's a girl whom he keeps on following and unfollowing (I saw him doing it 4 times) and each time she accepts his follow request but doesn't follow him back so he unfollows her and then again follows her, I feel he's trying hard to get her attention. I'm not sure how I should think about this, is it better that I end my communication with him? We were planning to have a date as we know each other but this behavior seems to just throw me off amd I feel he doesn't really value my presence and is a liar too.

Is it a red flag if a guy I am talking to keeps on following and unfollowing girls who dont follow him back on instagram?
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