The doctor ALSO said he doesn't recommend "impact" sports like trampolines, diving and pole vaulting because of their single kidney each, but when I told him that both boys were GOOD at those things, and LOVED those things, he said "OK. I'm not going to tell them no. It's a calculated risk." Yes. If the boys couldn't hurl themselves from great heights, I think they would be severely depressed. This is what they do. It's their thing. We can say we're "being careful", but I don't know what that means when free-falling through air. There's no "being careful". They fall well? I guess there's that. They DO fall well, and rarely hurt themselves.
Bring on 11th grade! We're ready!