What is Tiger Woods up to right now?

Friends of troubled celebrity golfer Tiger Woods fear he is close to cracking up. The sex scandals took a toll on his career, his marriage crumbled under reports of infidelity and he can no longer cope. He is spending his days...

Friends of troubled celebrity golfer Tiger Woods fear he is close to "cracking up" after spending days alone watching cartoons and eating cereal, reports The Sun.

The many sex scandals took a toll on his career, his marriage with Elin Nordegren crumbled under reports of infidelity and he can no longer cope, say friends of the 33-year-old golf superstar.

He changed his mobile phone number the day after his late-night car crash, which sparked a stream of revelations so friends can no longer contact him, reports thesun.co.uk.

Woods is said to have locked himself in one of his two Florida homes and cannot even watch his favourite sports channel as it carries regular updates on his romps with string of lovers.

"There is a real concern among his friends that he is dealing with the situation in a very unhealthy way," said a source.

His basketball star pal Charles Barkley said: "I've been trying to get to him and can't.