Final answer:
Mairs' believes that the hardest thing to live without with a chronic illness is independence, while the easiest thing to lose is physical strength.
Step-by-step explanation:
Mairs' emphasized that the hardest thing to live without with a chronic illness is independence. When one has a chronic illness, they often have to rely on others for help and support, which can be mentally draining and can lead to a sense of dependence. The easiest thing to lose with a chronic illness, according to Mairs, is physical strength. Chronic illnesses can cause weakness and fatigue, making it difficult to perform daily tasks and maintain physical resilience.