Please help- confusing ex?

Me and my ex recently got back in touch after 6 months. We weren’t no contact but he unblocked me and messaged as he found out I had a relapse with mental health.

He is concerned. Says he still finds me attractive but takes forever to reply to me. He’s in America for work at the moment and I’m in UK but even when the time difference isn’t bad he doesn’t reply.
I miss him terribly and don’t know how to deal with it going forward. What must he be thinking? Why doesn’t he just block me again now he knows I’m ok?

He’s still interested
He’s playing you
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Please help- confusing ex?
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