Difficult

You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?

They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.

My head bobs lazily in the sun. You think I'm cute. For my face is yellow my hair is white and my body is green.

What is a five-letter word that has brain in it?

Riddles and Answers