The human brain seems to be a chaotic mess of neurons interlinked so randomly, that it is a miracle any coherent thoughts come out of it. Unless of course you think along the lines of Walter Russell, and consider thought to be the basis of our reality. In that case, the thoughts become the driving force that forms the connections.
The Stargate side episode today has Vala exclaiming: "I am so bored, do you ever do anything fun?" Meanwhile Daniel is doing what he considers fun, and is chilling by trying to work on some problem he needs solved. And funny enough the problem involves resolving the bond between Vala and him, that kills them both when they are too far apart...