By accident...we were goofing off in the yard playing football as a family and I caught the ball and when I tried to run past him I slipped, tripping him and he fell on me. All my weight and his went straight on my arm. It's a clean break and should heal nicely. It's not my first broken bone, I had tons as a kid from being silly and rough but I do feel bad for hubs. He actually cried! He keeps apologizing, and is still crying! It's no big deal to me, I just feel so bad for him. :( I wish I knew how to make him feel better. I'm dreading getting the permanent cast, he'll probably faint!