Tony Slattery was seen as one of the most successful comedians in the 1980s and early 1990s, but in 1996 the comedian retired his career in the spotlight amid rumours of a breakdown.Tony returns to our screens tonight in his documentary and opens up on his mental health alongside his supportive partner, Mark Hutchinson.In the documentary, Tony will explore his substance abuse as well as his mental health.Previously Tony has opened up about his mental health to the Guardian.In an interview with the Guardian last year, Tony opened up about his personal life and how his partner Mark has supported him throughout the years.Tony said: "He's kept with me when my behaviour has been so unreasonable, and I can only think it's unconditional love."He's.