Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
What has keys but no locks, Space but no room, You can enter but you canβt exit.
Is always in front of you but cannot be seen?
I'm the son of water but when I return to water I die. Who am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?