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Understanding the Science: Why Does My Boyfriend Smell Like an Old Person?

According to research by the Monell Chemical Senses Center, humans can perceive age based on body odor alone, with older individuals having a discernible, though not necessarily unpleasant, scent. If you've found yourself wondering, 'Why does my boyfriend smell like an old person?', this phenomenon is likely due to the natural biological processes of aging rather than just poor hygiene.