Please choose the correct ending to complete the given sentence: Health: [header] How to control bad breath [title] Sniff your own breath. [step] It is difficult for you to assess your own breath because you become habituated to it. This is similar to how people can have body odor and not know it.

Ending1: However, if your breath is very bad, this may work : [substeps] Cup your hands over your nose and mouth. Breathe into your hands from your mouth and inhale through your nose. Ending2: Unless your doctor ordered a test, do not lick your own mouth or put your nose in your mouth. Describe it in written writing so you won't confuse that, the smell-and make sure it is obvious. Ending3: Either you or your partner may notice if your breath smells, even if your partner does not. You have two options; either you acknowledge and then indicate that you are not having bad breath, or in a negative way. Ending4: Simply take a moment to check your taste buds. [substeps] Avoid harsh breath cleansers or a blower if you have sensitive breath.

Answer format: ending1/ending2/ending3/ending4