You have your kids half of the time, right? That's really great for them. I had a gym that had a kick butt play room for the kids, but then a 2 year old bit my d3 while they were there and needless to say the kids wouldn't go back!!! I'm not sure who it traumatized more, my d or my s!
"Success is the sum of small efforts, repeated day in and day out." Robert Collier
"One's best success often comes after their greatest disappointments." Henry Ward Beecher