C) Getting along with others.
Older people are the ultimate survivors. It takes strength to get this far. You can learn about how much family really matters, you can learn from them that laughter really is a great medicine. A little humour goes a long way towards making bad times more bearable and good times more memorable.
Speak slowly, clearly, and loudly
Allow extra time for older patients
Be gentle
The formula is called BMI or body mass index