Faulkner

...that liquor teaches you to confuse the means with the end.

Then they talked about what they would do with twenty-five dollars. They all talked at once, their voices insistent and contradictory and impatient, making of unreality a possibility, then a probability, then an incontrovertible fact, as people will when their desires become words.

Any character that you write takes charge of his own behavior.
You can't make him do things once he comes alive and stands up and casts his own shadow.