Final Update
Went in for my three-week follow up. The doc confirmed that I am now better-than-new. He said that if it recurred or there was a problem, it wouldn't be because of something I did. That is, I couldn't cause it to recur by lifting heavy logs or surfing. So that makes me the bionic man, groin-wise, but I won't push it.
I still have a little numbness in a non-important area, but that may go away in time.
So I'm back to splitting firewood and surfing, and it feels great. This reminded me not to take my health for granted.
Here's a shot I took (with the $1 digicam) on the way home from surfing yesterday: