Why would a gut block me after I followed him?

It's the guy who i don't talk since April he is an fboy who got scared when he saw I don't want just a casual fling

... I followed him today to see how he will react and he blocked me lol

There are rumours he is dating a girl everyone in my town had sex with lol she is a bop...

I don't understand... He also posts stories with her

I don't want him back i just wanted to follow him because he used to want to keep in touch with me and he watched my stories 1 month ago as well lol

Updates
1 y
He blocked me on Instagram only but not on Facebook
Updates
1 y
All his friends follow me though lol
Why would a gut block me after I followed him?
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