258. Describe the characteristics of grandparents who are supportive and compare them with grandparents who would be considered detached.     259. Describe the heavy toll that providing care for a frail or ill older adult can exact on the caregiver’s mental and physical health; and explain how one’s expectations can influence how one will react. 260. Explain why research has shown older workers are more committed and motivated toward their jobs and have better work ethics than younger workers do.