related anconcussion relate and we'll wait to find out more information on that. that is a shocking life expectancy, isn't it? >> it is. when you think that someone's career in the nfl is only three and a half hours. we are used to seeing some of the superstars who have these long careers. fortunately junior seau did have a long career. one of of the thins we do know about head injury is it is a factor when people have depression. and i think that's what we're talking about is depression and is very common in athletes. they have irregular sleep schedules, under a lot of stress and they have head trauma. all of that can per sip state a severe pwouba severe bought of depression. martha: he was packing up surfboards to go to hawaii with his teenage kids. they say they had no sign that