Answer:
I go up and I go down, towards the sky and the ground. I’m present and past tense too, let’s go for a ride, me and you. What am I?
Keep doing me to avoid lens dryness
I cannot be bought cannot be sold even if I’m sometimes made of gold.
I come without being fetched at night hides away as soon as daylight strikes. Although I may look small I am much mightier than what you can imagine.
I move without wings between silken strings. I leave as you find my substance behind
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic