How do you feel about the 3 day no contact rule after breaking up?

How do you feel about the 3 day no contact rule after breaking up?
Do you think this is sure and a suffice way to tell if the individual really wants you? I'm trying to do that because each time he breaks up I at some point always hit him up first and come back to him. But I never seen if it's the same vice versa. So far it's just been a day after the breakup and a day of no contact.
How do you feel about the 3 day no contact rule after breaking up?
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