BRAIN: A notoriously well-behaved child

We all have heard this from our parent or elders that  "this BRAIN is a great asset if you're the Master but a liability if it becomes your master". Isn't it? But does this relationship between us and our brain really work out well if we become its master? I'll answer it but before that allow me to show you a convo between me and my best friend. F : Hello brutha! Sup? Me : Doing good. Wbu? F...