He says, "I know him. He's really a sensible, wonderful young man. I'm really shocked by it.
"(He was) the last person in the world I thought would be suicidal."
Wilson is now back at his Santa Monica, California, home after spending six days at a Los Angeles hospital.
Doctors are satisfied the actor has recovered physically from the trauma and allowed him to return home, under the supervision of his close friends and family.
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