Jealousy comes from counting others' blessings instead of our own. So very true, don't let your life pass by while you worry about someone else, count your blessings, be grateful, be happy for others (even though it can be hard).
"Be one who nurtures and builds. Be one who has an understanding and a forgiving heart who looks for the best in people. Leave people better than you found them." Note: "LEAVE PEOPLE BETTER THAN YOU FOUND THEM.