Tabitha adds 1 serving of honey per cup of tea in the evening.  She usually has 2 cups of tea before bed.  She buys her honey in a 16-ounce container.  If there are 6 servings of honey per ounce, how many nights will she be able to enjoy honey in her tea before bed?
Please reason step by step, and put your final answer within \boxed{}.
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