he established that lettie drove the cadillac on that day only ; she rarely saw pill bottles or drugs around the house ; she suspected he kept his meds in his briefcase ; at times he was in severe pain ; he never talked about suicide ; she never witnessed bizarre behavior that would suggest he was under the influence of medications ; he was not a drinker but occasionally kept a few beers in the refrigerator ; and he kept a desk in his bedroom but almost never worked at home .