Please choose the correct ending to complete the given sentence: Health: [header] How to increase oxytocin levels [title] Hug someone. [step] Even a 20-second hug with your partner, a friend, or someone you care about can boost your oxytocin level. Offer or ask for a hug for a quick pick-me-up.

Ending1: [substeps] Hug someone close to your heart in an effort to bring them closer to your chest. Hug a close friend right where they are. Ending2: Small hugs are also good options when you're just hanging out with friends or a family. [substeps] If you don't want a hug, ask someone for one. Ending3: A hug will increase oxytocin levels during active sleep. Make sure it's someone friendly to whom you feel comfortable. Ending4: [substeps] Even if you're arguing with a loved one, pausing to hug can increase feelings of trust and empathy, and maybe make your disagreement easier to handle. Regularly hugging your partner helps you bond, and can even decrease your blood pressure and heart rate.

Answer format: ending1/ending2/ending3/ending4