My late husband, Josh, was diagnosed with stage IV synovial sarcoma — a rare type of soft tissue cancer — in November 2014. He fought the disease bravely for two years, but died of complications on Dec. 13, 2016.

Before Josh passed away, he had black and yellow wristbands made that said, “KEEP GOING/NEVER DIE EASY.” Those words are a constant reminder to me that no matter how hard life gets, I have to persevere. Not only for me...