It sounds clichรฉd, but I think the greatest lesson is to not take things personally.
For the record, if you're not a stage actor, climbing onto Broadway and tackling something like David Mamet is not an easy thing to do.
I do yoga. I've been doing yoga for over 20 years and I love it.
Everyone's journey is completely different.
I'm a stage actor. That is what I do.
As an actor you want to explore something you haven't done.