re: Greener grass
There are places where you want to be for a little while and others where you need to be most of the time.
It's a matter of understanding priorities.
For instance, I find it very convenient to live near where I work, near all the things we need in our life. Even though it's crowded and polluted.
But we can travel for a little while in a better place (with far less light pollution). And we can return back there when we have free time.
If you live permanently in an idealistic place, you don't take your dreams with you but your everyday problems. Dreams can be shattered that way.
Raoul