You start acting in spite of your neuroses, not because of them.
If you're lucky as you get older, you respect the craft and it becomes a skill.
It's also easy to fall back into what's familiar, what feels safe, what you've done before.
It's my job to try to communicate with as little showiness as possible. I was a really showy actor as a young man.
Getting old is not for sissies, kid.
Physical qualities don't really matter much.