Odor fatigue (aka olfactory fatigue) is the primary reason people don't smell themselves. Generally most people, if they take the time to take a deep sniff of t

Odor fatigue (aka olfactory fatigue) is the primary reason people don't smell themselves. Generally most people, if they take the time to take a deep sniff of their arm pits, they'll know. Another method is to smell your clothes after you remove them. Asking a partner or trusted friend is also a simple method. Palate cleansing is another method.