Some reason I’m not depressed over my last break up with my new ex girlfriend?

some reason I’m not depressed over my last break up with my new ex girlfriend. When I break up with my 1st ex girlfriend I was depressed but with my 2nd ex girlfriend I’m not depressed. Is this normal? I can’t be healed that soon? Am i? Or am I denying it?
Some reason I’m not depressed over my last break up with my new ex girlfriend?
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