How had he come to draw it?
With difficulty he traced his thoughts backward, but could not find any that was accountable for his act.

He discovered, however, that he had a remarkable tendency to drop his hand to his gun.

That might have come from the habit long practice in drawing had given him.

Likewise, it might have come from a subtle sense, scarcely thought of at all, of the late, close, and inevitable relation between that weapon and himself.

He was amazed to find that, bitter as he had grown at fate, the desire to live burned strong in him.