Dumb Subject

"Honey, what would be of those beautiful stars?"

"Finally! You got interested in the law and movement of celestial! I will teach you. And maybe these stones will be quite useful. Here, the stars may seem confusing and irregular, but they are all moving in a certain order. Let me show you a simple expession..."

"Yeah that's interesting. Why don't we talk about this later? I suddenly got tired somehow."