In Jackie Chan‘s new memoir, Never Grow Up, he confessed that he wasn’t always the best husband to his 65-year-old wife, Joan Lin, and their son, Jaycee Chan, 36. In fact, the Rush Hour actor, 64, admitted that he was unfaithful to Joan during their marriage and “once” hit Jaycee when he was a young boy. Watch the video above for more shocking details from Jackie’s book!