While we were getting ready to start down in the free weight room, we got to see some truly dedicated athletes/body builders. There were two young men down there lifting weights. I see them every week at the same time. They are there mostly for bulking up - bigger upper body strength. They probably don't do cardio or run, just the weights to get bulked up.
Then there was a man there who is HUGE, but in the athletic way. Not an ounce of fat on him.
Lastly, there was a young, petite woman who was throwing a kettle ball around and jumping up on high platforms and doing reverse pull-ups. She looked like these women here:
Now, I have no desire to get to the fitness level of a professional athlete or even a professional personal trainer. I just want to be fit and healthy and to be able to maintain that fitness with a reasonable amount of effort. I would be perfectly happy to look like this: