wdl6591,

You misunderstand suicidal thoughts. They are symptoms of depression and often are not controllable. Instead of a buck up and stop the suicidal thoughts, professional help is suggested. Concussion often can cause or contribute to depression. It is important to get professional help to understand the difference between the occasional frustrated "I'm tired of this. Why should I go on" and those invasive thoughts that can over-ride rational thinking.

Fats have value to the brain. There is no need to add extra fats but meat protein is valuable to the injured brain.