Answer:
What word has kst in the middle, in the beginning, and at the end?
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?
I am a shower that lights up the sky
I am black within and red without With four corners round about.
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.