Please choose the correct ending to complete the given sentence: Health: [header] How to avoid having sagging breasts as a young woman [title] Keep your body young and fit by exercising. [step] It will make you look and feel good by controlling your weight and giving you a trim waist to help emphasize the perkiness of your breasts. [substeps] Aerobic exercise like jogging, walking, or swimming will help keep your waist small.

Ending1: Engaging in moderate physical activity can also help you dance and improve your posture. But exercising too much can put your weight in your stomach and make you look thin. Ending2: You should also get at least 150 minutes of moderate exercise. You can break this up into hours or days. Ending3: Try to do 150 minutes of moderate exercise or 75 minutes of vigorous exercise per week. Aerobic exercise will also release endorphins which will relax you, lift your mood, and make you feel better about yourself. Ending4: Work on doing these exercises regularly and see if they reduce your sagging. Exercising boosts metabolism and restores your bone structure.

Answer format: ending1/ending2/ending3/ending4