Most adults carry an age that is not on their documentsResearchers call it subjective age: the answer to the question, “How old do you feel?” Silicon Canals recently examined the long-running studies linking subjective age with health, memory and mortality. Blood pressure and telomere length were not associated with subjective age in the analysis. Perceived discrimination may contribute to feeling older, but an older subjective age might also influence how ambiguous treatment is interpreted. Silence can be learned without being chosenFrom the outside, a quieter older person may appear to have less to say.