but I know I probably don't have the strength to handle it.
Depends. I have terrible technique and use to much of my arms I think. The scariest part is trusting that the cable will hold when letting go!
Kids have better things to do than worry about adult things.
Exactly. When I was her age, I was worrying far too much about things I had no control over, even though they impacted me.
Yeah, that is a good point. If you have strong leg you can push yourself up rather than pulling. I've been through some of the classes with those ropes and stuff. I trust them more than I trust my body no question!