Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to smile more often [title] Practice in front of a mirror. [step] If you want to be really good at something you need to practice, right? Well, smiling is no different. If you're not a person who smiles a lot naturally, you will need to get used to what smiling feels like and learn how to replicate that feeling more naturally.

Ending1: [substeps] Look in the mirror at the top of your head. Is there a part of your face that's smiling a lot less? Imagine this somewhere, like your nose, and imagine it showing up there. Ending2: The beauty of smiling is that it's meant to be a positive addition to your life, not an act of fun. [substeps] Studies have shown that women tend to be best around people who smile freely. Ending3: [substeps] Practice smiling out loud, preferably in the bathroom mirror. Take several deep breaths as you perform this exercise, paying careful attention to whether or not it makes your face feel warm and fluffy. Ending4: Practice by smiling when no one else is around, in the bathroom, in bed, in your car. That way, you will feel less self-conscious.

Answer format: ending1/ending2/ending3/ending4