what is it? >> it is the biggest nerve stimulator and john had that implanted two years ago . so in august it is a two year anniversary for john . it helped to give john more of a control over the seizures. and very beneficial and giving john a new look on life. sometimes detrimital to me. when we go on those, john leaves me behind? >> i like to hear that, john. outpacing dad. speaking of that, father's day coming up the two of you are spending it together on a climb . what is it like when you reach the summit, john? >> it will be really phenomenal. and doing it. we'll we are at it. we'll say father's day to john