At the word "_One_," you must raise the gun slowly and steadily to the place on the other man's body that you desire to convince.

Then, after a pause, "_two, three--fire--Stop!_" At the word "stop," you may fire--but not earlier.

You may give yourself as much time as you please _after_ that word.

Then, when you fire, you may advance and go on firing at your leisure and pleasure, if you can get any pleasure out of it.
And, in the meantime, the other man, if he has been properly instructed and is alive to his privileges, is advancing on _you_, and firing--and it is always likely that more or less trouble will result.
Naturally, when Joe's revolver had risen to a level it was pointing at Steve's breast, but the Major said "No, that is not wise.

Take all the risks of getting murdered yourself, but don't run any risk of murdering the other man.