Why does he follow girls that look like me?

So my ex friends with benefits and I ended things on a pretty good note. But, I’m looking at his Instagram and he has followed a lot of girls since then I’m pretty sure he has a girlfriend now because he did get rid of some girls. But, the girls he follow look exactly like me. They all look so similar. Right now he’s with a girl that looks nothing like the girls he followed or me.

Why does he follow girls that look like me?
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