Ex just asked permission to date again?!

Background info: so my ex broke up with me 2 months ago. I sent him a message 1 month ago saying I was fine with the breakup, and agreed to be friends. Well school began and so we see each other every day. I smile and wave casually, saying a nice hello. He seems to be awkward around me, and once tried to avoid me. He is all stony-faced when he talks to me and then whips around to crack a joke and laugh with another person.

And now I just logged into facebook and my ex popped up in chat . . . asking for my PERMISSION to ask someone out?! What the heck does that mean?

He said "It's cool with you if I date other people right?"

I said "Well . . . I thought we broke up. Is it not supposed to be?"

and he answered, "well it is, I just figured if I asked someone out better to make sure it doesn't upset you

If that makes sense?

I guess I'd just rather you found out from me instead of facebook or someone else

Ya know?

I just don't want any bad blood between us for anything"

Do people normally do this?! Is he trying to rub it in my face or something? I said again I was fine with the break up and he said "yeah but people don't always say what they mean." I had to reaffirm this again. Arg, he still thinks I'm in it for him or something? I'm so confused!
Ex just asked permission to date again?!
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