How do you guys do no contact?

It's hard af. All I want to do is contact him but he said it's over. But I found out he's talking to my best friend about us so there still may be a chance that we will get back together but I have to be strong and not contact him. But I want to so bad.

This is the last thing he said to me this morning:
How do you guys do no contact?
How do you guys do no contact?
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