Gardening is not trivial. If you believe that it is closely examine why you feel that way. You may discover that this attitude has been forced upon you by mass media and the crass culture it creates and maintains. The fact is gardening is just the opposite - it is or should be a central basic expression of human life.
I think the part of my acting career where I've been more successful, I've been incredibly cushioned. People are much too nice to you. You go into politics, and people are absolutely brutal. You've got proper enemies, and they're vicious. It's very invigorating.