Knowledge: Tiger Woods' golf lessons explain very well to the starters. On the other hand, chronis fatigue syndrome is being tired all the time even after good night sleep.

Conversation:
I do not have much energy.
Are you having trouble carrying out normal daily routines?  Could be chronic fatigue syndrome.
I am not sure. What is that? Can you explain me well?

Response: Ah sure. Chronis fatigue syndrome is being tired all the time even after good night sleep.