Answer:
What word has kst in the middle, in the beginning, and at the end?
In spring, I am gay in handsome array. In summer, more clothing I wear. When colder it grows, I fling off my clothes. In winter, quite naked appear. What am I?
If I have it I don't share it. If I share it I don't have it. What is it?
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
Break me and I am better immediately set and harder to be broken again.
Give it food and it will live, give it water and it will die.