Scriptures reminds us, "Awake, drunkards, and weep; And wail you wine drinkers, On account of sweet wine that is cut of from your mouth" (Joel 1:5 NASB).
No one's performance is enhanced with cocktails, rather performance is reduced
with alcohol use. Drinking will cause you to become less mentally alert, and I know I cant give up any edge.
When enjoying a Christmas business lunch, keep your head and sharpness by ordering a coke, ice tea or a cup of coffee.
Your work will not suffer, and you will maintain a clear mind, and sound business judgement.