Please choose the correct ending to complete the given sentence: Relationships: [header] How to lip lock [title] Lean in and close your eyes. [step] Lip locking is a simple yet intimate form of kissing, so you'll need to be close. Once the two of you are close enough to feel one another's breath, close your eyes.

Ending1: [substeps] At minimum, your face will need to be close to your partner's face. Before closing your eyes, make sure that your mouth is positioned just above your partner's mouth. Ending2: Feel the place where you want to lock lips. Run your fingers along the lips, and take a moment to keep your eyes open. Ending3: Your lip may brush against the other person's nose. This is an essentially optical illusion of your lips lying close together. Ending4: Open your mouth as wide as possible, but don't pull back, if possible. [substeps] Gently press your lips against the other person's cheek.

Answer format: ending1/ending2/ending3/ending4