Answer:
I'm a god a planet and a measurer of heat. Who am I?
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
It's in your hand though you can not feel it. Only you and time can reveal it.
I climb higher as I get hotter. I can never escape from my crystal cage.
I am created through suffering, inspiration, joy, and even despair. Born as an idea, and then presented to the human eye. Unlike living things, I never die. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?