▁his ▁final ▁pay ▁grade ▁had ▁he ▁retired ▁after ▁ 2 0 ▁years . ▁He ▁fell ▁into ▁a ▁state ▁of ▁de pression ▁when ▁he ▁was ▁forced ▁out ▁of ▁the ▁Mar ines ▁because ▁he ▁felt ▁as ▁if ▁the ▁service ▁had ▁k icked ▁him ▁out . ▁During ▁this ▁de pression , ▁his ▁wife ▁Jo ▁nearly ▁left ▁him ▁but ▁decided ▁to ▁stay . ▁H ath cock ▁eventually ▁picked ▁up ▁the ▁h ob by ▁of ▁sh ark ▁fish ing , ▁which ▁helped ▁him ▁to ▁overcome ▁his ▁de pression . ▁ ▁H ath cock ▁provided ▁sni per ▁instruction ▁to ▁police ▁depart ments ▁and ▁select ▁military ▁units , ▁such ▁as ▁SE AL ▁Team ▁Six . ▁ ▁Later ▁life ▁and ▁death ▁H ath cock ▁once ▁said ▁that ▁he ▁surv ived ▁in ▁his ▁work ▁because ▁of ▁an ▁ability ▁to ▁" get ▁in ▁the ▁b ubble ", ▁to ▁put ▁himself ▁into ▁a ▁state ▁of ▁" utter , ▁complete , ▁absolute ▁concentration ", ▁first ▁with ▁his ▁equipment , ▁then ▁his ▁environment , ▁in ▁which ▁every ▁b ree ze ▁and ▁every ▁leaf ▁meant ▁something , ▁and ▁finally ▁on ▁his ▁quar ry . ▁After ▁the ▁war , ▁a ▁friend ▁showed ▁H ath cock ▁a ▁passage ▁written ▁by ▁Ernest ▁Hem ing way : ▁" C ertain ly ▁there ▁is ▁no ▁hunting ▁like ▁the ▁hunting ▁of ▁man , ▁and ▁those ▁who ▁have ▁h unted ▁armed ▁men ▁long ▁enough ▁and ▁like ▁it , ▁never ▁really ▁care ▁for ▁anything ▁else ▁there after ." ▁He ▁copied ▁Hem ing way ' s ▁words ▁on ▁a ▁piece ▁of ▁paper . ▁" He ▁got