Originally Posted by lilmisssunshine
he'll physically act out, hitting, kicking, or throwing things at me. He recently pulled a knife (though I don't think he'd use it). He always begs me not to tell people about this behavior (especially his father or the psychologist).
For your son's well-being and your own safety, his father and the psychologist must be informed of these incidents as soon as possible.

The article "I am Adam Lanza's Mother" may be of interest.