i was cleaning up lunch in the nursing home&a confused man in a wheelchair crept up to me asking if i had something he could do.i gave him a pile of napkins.he began folding,talking about his days as a chemistry teacher.midstory he burst into tears&kept gesturing to the napkins,unable to speak.i thanked him,shook out the napkins & handed them back to him.he resumed folding&i went back to work,understanding.