The son has always felt like he was a footnote in one of the stories the father tells. The father is an amazing storyteller and one of the tales that he tells is how he met his wife.
You're being cast for your acting ability. It's not based on the way your body functions. If you're playing a lead in a movie, it's for that character and they'll tailor it to you. In a dance company, you have to fit in a definite mold.

