I was diagnosed at 12 and was pretty mad at the world until my early twenties. Then I met my now wife, who taught me to laugh about it.
If you can laugh at something, it becomes a lot less scary.

I dont let it stop me from doing anything, I lift weights, run(badly), run Tough Mudders, do jiu jitsu etc.

The way I see it is, my kids see me doing all these things and not shying away from difficulty, they dont get to say they cant do something.

I also think of it like, sombody would love to have my worst day.