I've had the fortune (or misfortune) of training with several of these people. On the bright side, they will keep you on your toes. They say "well, I'd do this" and then you welcome them to try it. Eventually, they get humbled and tone it down some. On the bad side, this can hold up teaching and can annoy students, as he is interrupting their learning time. People tend to not like being partnered with these know-it-alls because they will be doing a drill and say "you can also do it like this" and go into something other than the drill they are supposed to be doing.
i'm nobody...i'm nobody. i'm a tramp, a bum, a hobo... a boxcar and a jug of wine... but i'm a straight razor if you get to close to me.
-Charles Manson
I will punch, kick, choke, throw or joint manipulate any nationality equally without predjudice.
- Shonie Carter