Where shall I start? I could write an entire chapter to you.
Invariably they have someone on the back burner to distract them. Might not be obvious when the break first occurs but the “distraction” suddenly appears when the dust settles a bit. This is how they are able to move on quickly in lots of cases.
Some of them are avoidant. They don’t want to face up to anything so they shut you down.
There’s plenty of guidance and advice on Instagram and Facebook. Some better than others, some lighthearted and others more serious.
Pop over there and take a look. For example “Dad hugsforyoursoul” is a good place to start on Insta. A chap called Harry is kind and helpful in making sense of a breakup.
You might find others who will help you get through the angst and sense of betrayal. It’s like a bereavement.
As far as maintaining no contact, just shut down and block all points of contact. Do not stalk him on social media. It just opens the wound again. Distract yourself every single time you feel like looking. Don’t allow yourself to go looking for them to comfort you… they’ve moved on and you’ll feel so hurt. There’s no comfort there. It’s over.
Move towards accepting that albeit it might take absolutely ages and ages there’s no time limit on mourning the loss of a relationship. Folk who tell you to “move on” haven’t got a clue. But you must keep on keeping on. One day at a time.
Big hug. Stay strong. 💐