I've had 5 surgeries in my life and yes, I felt different after them. The 1st two were cesarean sections, though, so part of feeling different was having a new baby.
Still, the other 3 surgeries affected me pretty strongly. I felt the reality of my mortality in a more personal way. Mostly, though, my physical stamina was not as good post-op. It never quite returned as I would have liked it to. Still, after 6 months or so I did feel a lot better.
You're young, though. I think you'll feel a big improvement when your out of pain. Pain really changes us.
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