How come when I block people during an argument to cool off. When I return to resolve days later they block/ignore me?

Like I blocked them because it was an argument or an uncomfortable situation and h didn’t want us to say things we don’t mean and then when I return maturely explaining and letting them know why I did it in a mature way, they block me back?

I have never did this if my friends block me usually I give them days to cool off then I will reach them. and if they contact me after blocking me I will hear them out 100% and be happy to resolve

How come when I block people during an argument to cool off. When I return to resolve days later they block/ignore me?
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