Cai Shaofen is happy to celebrate his 4-year-old son's birthday with a family of three around the cake.

On November 16, Cai Shaofen posted a message to celebrate her son's birthday. She wrote: "Dear little baby, I have been with you for four years before I know it. I love you so much!" Being grateful to see you grow up safely and healthily is the greatest comfort of being a parent! May you continue to feel the truth, goodness and beauty of the world with love. Happy birthday. "