So quick story short.

I just got out of a more/less half a year relationship a week ago. It hit me like a truck, I fucked up bad, I let myself fall for this girl and I've sped a lot of time with her, sometimes it almost seemed like she was the main thing in my life rather than my career. Anyway I learned from that, never happening again. I went out yesterday to bunch of parties, I do calisthenics so I figure I'm somewhat attractive , I noticed women looking at me and smiling, BUT I did absolutely nothing. It wasn't that I didn't think I could get them, I literally had no drive to do anything, but then again I had a bit of fear in the back of my mind. Literally one girl tired to dance with me, and I danced for like 2 minutes maybe, then left. I was completely out of it. Best way to summarize it would be : I gave 0 fucks about any girl in there, ones or tens, didn't matter.

Is this normal post breakup? Or is this something else? Or am I being a little bitch? Should I push myself to talk/flirt with women even if I don't feel like it?