Share everything. Don't take things that aren't yours. Put things back where you found them.
All I really need to know about how to live and what to do and how to be I learned in kindergarten. Remember the Dick-and-Jane books and the first word you learned--the biggest word of all--look.
Making a living and having a life are not the same thing. Making a living and making a life that´s worthwhile are not the same thing. Living the good life and living a good life are not the same thing. A job title doesn't even come close to answering the question "What do you do?"
The grass is not, in fact, always greener on the other side of the fence. Fences have nothing to do with it. The grass is greenest where it is watered. When crossing over fences, carry water with you and tend the grass wherever you may be.