Really the only person that can let you down is yourself.
We are the sons of no one, bastards of young.
You can only experience love if you have self love.
If I want to travel with my family I have to purchase 7 airline tickets.
What helps you as an actor when it comes to roles is that deeper understanding of so many different fractions of humanity. Because oftentimes, even in comedy, there is conflict.
It's dangerous for one actor to advise another one, especially when you're not in charge. On the set, I'm never gonna tell another person, "Here's what I think you should do." That's a discussion they should only have with the writers, producers, and directors.