Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to get in the habit of drinking water [title] Have a glass of water each morning. [step] Before going for a cup of tea or coffee, have a glass of water each morning. Try to make this a daily habit.

Ending1: [substeps] If you feel thirsty or have to push yourself to drink too quickly or you may make yourself uncomfortable, you may want to take a water break. [title] Sign up for a monthly or multi-weekly water treat. Ending2: [substeps] Aim to drink 8 liters of water each day, six times a day. Drink this water only at night, and only in the morning. Ending3: [title] Carry water in your purse or wallet and bring it. [step] In addition to keeping your water within your purse, you also need to keep it in a small pocket in your house. Ending4: At first, pouring water down your throat each morning may feel difficult, especially if you're not used to drinking early in the morning; however, after a few days you should get used to drinking water early in the morning. [substeps] If you're not a morning person, you may forget to drink a glass of water right away.

Answer format: ending1/ending2/ending3/ending4