MY dad used to tell me "Son, learn to drink your coffee black and your whiskey with water, it makes life a lot eaiser". He was right.
Well, if you don't have a refrigerator, then yes. However, since I have a refrigerator, that means I also have creamer for the coffee and ice for the whiskey. I prefer to not water down my whiskey, well except for the obvious melting of the ice.