Please choose the correct ending to complete the given sentence: Youth: [header] How to kiss your boyfriend gently [title] Keep your breath fresh and your lips soft. [step] If you plan on kissing your boyfriend, you'll want to have fresh breath. Before a date or whenever you know you'll be alone together, take the time to brush your teeth, use mouthwash, eat a breath mint, or chew some gum.

Ending1: That way, if you start feeling bad about your breath by the time the date is over, your breath will be fresh too. [title] Know when you're ready to kiss. Ending2: Nothing looks more attractive than a fresh breath. [substeps] Brush your teeth the day before the date or the night before so the breath freshens your mouth and taste good. Ending3: You should also use lip balm regularly to keep your lips soft and hydrated. [substeps] Don't use lip gloss, as it is not the same as lip balm. Ending4: Be mindful of the clean body and try to keep the smell in your body in the moment. [substeps] Wash your hands before kissing your boyfriend, as it's important for him to see that his hands and face are clean.

Answer format: ending1/ending2/ending3/ending4