Please choose the correct ending to complete the given sentence: Health: [header] How to psych yourself up [title] Intensify your breathing. [step] Just like slowing your breathing can calm you down, speeding up your breathing can intensify it. If you find yourself losing steam, take a few hard exhales.

Ending1: This helps it signal to your brain that it is time to be calm and confident. [substeps] Check out a meditation video or a meditation book. Ending2: Slow your breathing with equal volumes and draw them out even faster. Breathe in through your nose, then exhale through your mouth to the count of four. Ending3: Keep them for about a count of 10. [substeps] Breathe in and out as slowly as you can. Ending4: This can help bring you back to a place of greater intensity and increase your performance. [substeps] Your breathing can affect your mind and your body.

Answer format: ending1/ending2/ending3/ending4