A 64-year-old man was diagnosed 19 months ago with bilateral…

A 64-year-old man was diagnosed 19 months ago with bilateral osteoarthritis (OA) in his knees, and has come to his family physician for a checkup. The client and his physician are discussing the effects of his health problem and the measures that the man has taken to accommodate and treat his OA in his daily routines. Which statement by the client would necessitate further teaching?