Please choose the correct ending to complete the given sentence: Health: [header] How to overcome caffeine addiction [title] Keep tabs on your overall caffeine consumption. [step] The first step to breaking the cycle of caffeine addiction is to identify how much you're consuming. This way, you can get a sense of how much to cut back each week to gradually taper off caffeine.

Ending1: [substeps] Mark your sleep cycle with a " time zone " or " how much you're eating " ruler. You will then identify what time zone you're eating. Ending2: [substeps] Beverage consumption should be measured in pounds, milligrams, or grams per day. If you are currently over 25 years old, you should be able to skip this step and drink more coffee to fulfill your daily healthy requirements. Ending3: [substeps] It can also help to write down your total caffeine intake each day. This information might also help you keep track of all of your daily activities so you can see which foods and drinks you're consuming. Ending4: [substeps] Read labels when you consume a caffeinated beverage. Write down how much caffeine you're consuming, and also keep track of, say, how many cups of coffee or soda you have each day.

Answer format: ending1/ending2/ending3/ending4