Back in 2011, my sister in-law was battling cancer. I was in the Austin Hospital, awaiting surgery on a broken leg after being hit by a car. She was in another hospital, awaiting surgery on the removal of a tumour. She texted me and assured me that one day we’d take a walk in the park together. I marvelled – and have to this day marvelled – at her attitude: she was facing life-threatening surgery, while I had a broken leg. The following year as she continued her fight, I had other friends who had to face cancer in their lives. One friend had to deal with his partner developing…