Alienation of Affection

Can being an alcholic and drinking every night be considered A of A? Has done this the majority of 16 years of marriage

No. Alienation of affection has to do with the acts of a 3rd party. To sustain an action for alienation of affection you must show that love and affection existed between you and your spouse, and that actions of the 3rd party alienated that love and affection.