Guys can you help me to understand?

Last one to two years that guy have matched me on tinder five times and I find him handsome, but I followed him on Instagram in June (His account is private so he accepted me) but he hasn’t follow me back but he like my tinder profile for fifth time at the end of September.
so I liked his new Instagram picture two days ago and he watched my story few minutes after, I did a little spy lol and I saw he literally follow every girl except me!
so I’m asking why? I can tell I’m prettier than many of them but that’s not the problem, the problem is why doesn’t he follow me back?
1 y
Girls are you all feeling these incomprehensible guys vibe with me?
Guys can you help me to understand?
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