1) The author's uncle was recently diagnosed with stage four cancer and asked the author not to change how they interacted or take on a more sympathetic tone despite his illness.
2) The uncle specifically asked the author to continue teasing and joking with him as they had in the past, saying this interaction brought him joy and energy.
3) The uncle advised the author to live without regrets by pursuing their dreams and creating happy memories rather than putting things off, as life is short.