The context of the following conversation is Quinn had a chronic condition that affected his health and meant that Quinn often got tired.:
Quinn says I've had chronic fatigue syndrome for quite some time now.
The friend responds What is that exactly?.
Quinn responds It's where you get tired for no real reason and more than the average person..
The friend responds I never knew you had that, though I noticed sometimes you would be tired..
Quinn responds I didn't know it either really. I found out just a month ago but I've had it long before that..
The friend responds Yes of course, I remember on back to when we were a bit younger and sometimes you would fall down..