One of the joys of being a Christian or being a person of faith is that you believe deep down that death isn't the worst thing you know. Not living your life: that's the worst thing. And death is not it's not all it's cracked up to be. It's not it's not the end of the world.
Give your dog or cat respect patience understanding and love. And if you just change to one vegetarian day a week that's a wonderful step that will save animal lives. It means you have chosen something kind instead of something cruel.