▁to ▁D anny , ▁who ▁r ants ▁about ▁anything ▁and ▁everything ▁he ▁dis lik es . ▁For ▁example , ▁he ▁attempted ▁to ▁keep ▁his ▁relationship ▁with ▁Catherine ▁a ▁secret ▁from ▁the ▁team ▁for ▁much ▁of ▁season ▁ 1 , ▁although ▁D anny ▁later ▁stated ▁that ▁he ▁knew ▁whenever ▁Catherine ▁was ▁in ▁town ▁from ▁McG ar rett ' s ▁" st up id ▁smile ". ▁Although ▁used ▁to ▁working ▁in ▁a ▁team ▁environment , ▁he ▁is ▁usually ▁a ▁" l one ▁w olf " ▁who ▁is ▁extremely ▁self - re li ant ▁and ▁has ▁difficulty ▁re lying ▁on ▁others ▁for ▁emot ional ▁support , ▁which ▁was ▁a ▁source ▁of ▁concern ▁for ▁his ▁A unt ▁Deb . ▁Despite ▁D anny ' s ▁persistent ▁pr ying , ▁McG ar rett ▁never ▁speak s ▁of ▁his ▁military ▁service , ▁largely ▁because ▁of ▁the ▁class ified ▁nature ▁of ▁most ▁of ▁his ▁miss ions , ▁often ▁br ushing ▁D anny ▁off ▁with ▁" It ' s ▁class ified " ▁or ▁" I ▁can ▁neither ▁confirm ▁nor ▁den y ". ▁He ▁frequently ▁displays ▁little ▁or ▁no ▁em otion ▁in ▁situations ▁where ▁D anny ▁is ▁extremely ▁emot ional . ▁It ▁is ▁not ▁until ▁Season ▁ 5 ▁that ▁McG ar rett ▁finally ▁explains ▁to ▁D anny ▁that ▁he ▁was ▁raised ▁in ▁a ▁family ▁environment ▁where ▁males ▁were ▁not ▁encourag ed ▁to ▁express ▁em otion . ▁ ▁Awards ▁and ▁decor ations ▁The ▁following ▁are ▁the ▁awards ▁and ▁decor ations ▁worn ▁by ▁L t . ▁C md r . ▁McG ar rett ▁in ▁Season