Please choose the correct ending to complete the given sentence: Health: [header] How to unwind for bed [title] Try a breathing relaxation exercise. [step] As you lie in bed, draw your attention to your inhales and your exhales. Breathe in through your nose, and feel the air entering your body.

Ending1: Hold it for a count of 4, and then exhale through your mouth, and exhale out your mouth. Move your hands over your belly to symbolize something in your relationship to your partner. Ending2: Inhale for a few seconds, and then exhale for a short duration. Repeat this exercise three times per day for at least five days. Ending3: Hold this for 20 seconds and exhale through your mouth, and repeat for as long as necessary. [substeps] Hold the breath for 10-15 seconds, counting to ten or ten with you inhale and exhale. Ending4: Don't worry about relaxation while you breathe in. [substeps] Try visualizing your body relaxing as you breathe out.

Answer format: ending1/ending2/ending3/ending4