Why would he add me back?

My ex boyfriend had a bad break up months ago
He tried to get back together but I refused
And he got angry and blocked me on everything

Today he added me back on social media
And messaged me saying:
- he's sorry
- he's just angry because i moved on so quick and he couldnt
- he knows we can't be together anymore and he doesn't want to
- he wants to be civil and mature
- he's doing his own thing
- he doesn't want to interfere with my life
- he doesn't need or want anyone
- he recognizes I've always been there for him
- he wants to move on
- he wants to have each other on social media

Why would he want to have each other on social media if he wants to move on?
Why would he add me again?
It doesn't make sense
He secretly still wants you/relationship
He wants to move on
Select gender and age to cast your vote:
Why would he add me back?
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