so if he was drunk when you got home, he certainly was not SOBER when you had that convo OR when he left for work. you were not having a conversation with a sober rational person.
and now you know. his out of character behavior followed immediately by drinking.
think not about how things might be......someday........look hard at how it IS today. this is not someone on the cusp of lifelong sobriety. this is someone still firmly entrenched in addiction and in no hurry to get out.