Anger is a tricky emotion after a breakup since it usually masks sadness and hurt.
The more extreme his emotional reaction to your breakup, whether it’s love, hate or awful deep sadness, the more likely it is that love is lurking below the surface.
He might have genuinely might meant he wanted to be friends .
In practice, trying to stay friends with your ex is painful, since it keeps reopening the wound you are trying to heal and move on from.
I was completely wrong, but I was still completely in love with him and wanted to believe that he still loved me.
Resorting to magical thinking is one way that people hold out hope that their ex still loves them after a breakup.