Example 1: Biting your nails is a bad habit because it can hurt your fingers and spread germs.
Example 2: Staying up too late and not getting enough sleep can make you feel tired and cranky in the morning.
Example 3: Not washing your hands before eating can make you sick because you might eat dirt or germs.
Fun Fact: It takes about 21 days to change a habit! So keep trying and you can make good choices!