Fitz in “Unfinished Business”

Just when I think I know what I'm thinking, I get this cloud. I know that when a man has memories, it's just electrical impulses through the brain that create the memories. Because the impulses travel at the speed of light. Therefore the brain time travels, and that's how he remembers. But how does he feel? How does he feel those memories? How does he feel those thoughts? What-- what time is it?