BS!!
Comes from too much drinking, partying, crappy food and not working out.
well i dont drink or party...haven't since last may...
crappy food...well yes...whats available closest to where i'm studying is what i eat...not working out...well yes again...every hr not working out is an hour studying...
smarter people that work harder fail the CCIE....what makes me think i wont if i dont give it my all and then some...
only reason today ws off ws cause i ws hitting a point of diminishing returns....my brain needed a break