If you were faced with something bigger and scarier than you initially knew how to deal with, how would you handle it? Would you sit back and do nothing, because the challenge of addressing it seemed too overwhelming? Or, would you put up a fight and try to control the parts that you could?

When my father-in-law, John Nelson, was diagnosed with chronic lymphocytic leukemia (CLL) in February 2019, he chose the latter. And I am so...