Answer:
What do grateful, thankful, wonderful and joyful have all in common?
Diamonds and stress have this to thank for their existence.
If you're on a diet, smelling a fresh pan of brownies could be described as this.
What is it that was given to you, belongs only to you. And yet your friends use it more than you do?
A celebrity under the sea.
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.