Danny DeVito gave Rob McElhenney simple advice on how to raise well-adjusted kids in Hollywood: 'The trick is not much of a trick at all'

• Rob McElhenney said he admires how his "Always Sunny" costar Danny DeVito has raised his kids.
• McElhenney said he learned that the key is to show up for his kids and be there for them. 
• McElhenney shares two sons with his wife and costar Kaitlin Olson.

Being a parent is hard. And parenting amid the nepo-baby discourse as two famous actors poses its own unique set of challenges.