Is "last hookup" really that common? Like, people who broke up having one last hook up before moving on to get over each other?

Anonymous
I remember reading few articles about it back in 2017 but recently my friend told me how she hooked up with her ex's, 3 of them, to get over them so that she can move on with her fiancé, soon to be husband.

How common is it? And does it really works? Does hooking up with your ex for one last time helps you to move on in life?
Is "last hookup" really that common? Like, people who broke up having one last hook up before moving on to get over each other?
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