, directly contradicts those findings . In the October 2002 statement , the Veteran informed the examiner he experienced daily , recurrent thoughts of Vietnam , occasional nightmares , and that he actively avoided veterans and activities associated with Vietnam . Moreover , the Veteran explained to the examiner that he frequently suffered from irritability and anger outbursts with his family and co - workers , and the Veteran continued to assert that in his lay statements . In December 2009 , the Veteran ' s daughter submitted a letter to the RO in which she stated she was worried about her father ' s worsening anger , unpredictability , and irritability . Due to the fact that the March 2012 examiner mischaracterized the Veteran ' s symptoms