Please choose the correct ending to complete the given sentence: Health: [header] How to lose 15 pounds [title] Talk to your doctor. [step] Whenever you're trying to lose weight, it is a good idea to talk to your doctor first. Your doctor will be able to give you great insight into how to lose weight and do it in a healthy and safe manner.

Ending1: [substeps] If you think you need to lose 15 pounds, give your doctor a call. He or she will be able to help you determine whether or not 15 pounds is appropriate for you. Ending2: Make sure you tell them as early as possible about any changes you want to make. It's best to plan this conversation ahead of time so you won't have to send a letter or talk over the phone. Ending3: She can help you plan a diet that is right for you and try to incorporate high protein, healthy fats, low-fiber foods, and whole grains into your diet. Your doctor may refer you to a nutrition tracker or a dietitian if you need help figure out what type of foods to avoid. Ending4: [substeps] Figure out what your daily daily weight triggers are and be honest about your lifestyle. If you change one aspect of your lifestyle, you are in an even larger hurry.

Answer format: ending1/ending2/ending3/ending4