As for me, I'm doing pretty great! I have no pain, no fatigue, no regrets. :) I am having a bit of an issue with my large incision across my low abdomen. The right half of the scar is a lot 'tighter' than the other half, so it pulls in. It's not uncomfortable, I can't feel it unless I'm running my fingers over it, but it essentially has left a permanent 'muffin top' above that part of the incision. Losing some belly fat would help :) but I have also been doing some scar therapy to try to loosen it up. I am terrible at remembering to do the massage on a daily basis, though. A few times I have gone to a massage therapist to get some professional work done, which is really helpful (when I can afford it!). I think that with more work and more exercise, it'll get better.
I went back to lifting much earlier than was recommended, but have not had any issues. We had done some testing at the gym the week before surgery, and we re-tested last week. I am lifting more weight that I was before, but I'm slower than I was on the running drills. Not terrible though!
Last weekend I completed a mud/obstacle race that was a lot more difficult than I thought it would be - but with the help of my awesome teammates I made it through! When runners couldn't complete an obstacle, they were supposed to do thirty 'burpees' - towards the end I attempted to do a burpee and felt quite a pull on my incision, so I skipped them.
It was tough and muddy and fun and a great celebration of three months post-surgery!