I recently read an excellent book by C.J. Chilvers and have included a short passage below, number 10 in his 10 principles for rediscovering what matters.
I thoroughly recommend that you visit his blog
The one antidote for the jealousy that leads to the obsessive buying of gear and chasing of fame is gratitude.
The fact we have the gear we already have, vision clear enough to appreciate beauty and the knowledge to capture it, makes photographers the luckiest people in the world.
While others let beauty pass them by, we recognize it, experience it and share it with the world.
Is there better way to fully live a life?