The answer is different for everyone, but many men will experience a pang of regret within about a month to six weeks after breaking up with you. Dumpers remorse, as I call it, is very real. It happens to pretty much everyone who ever dumps a person.

Do guys feel guilty after break up?

Yes, guys feel bad after a breakup. The reasons why they feel bad depend upon whether he is getting dumped or doing the dumping. If a man is dumped, he would feel bad because he is no longer close to the person he once cherished.