 Ideas alluding to romance are prevalent throughout the episode . The development between Shane Walsh and Lori Grimes continues in " TS @-@ 19 " , which showcases a flashback featuring Shane being conflicted with the decision to leave an unconscious Rick Grimes in the hospital — who Shane initially presumes to be dead . Kirkman asserted that the sequence added dimension to the storyline , and concluded that by the ending of the episode , the audience will no longer identify Shane as an antagonist . " Up until the sixth episode , you get the sense that Shane actually is a bad guy , that he lied to Lori and made her believe that he was dead in order to facilitate him moving in on her , " said Kirkman . " The flashback does a great job of telling you that that 's not true : He tried to save Rick , he wanted to save Rick . He was kind of up against the wall there and actually did believe that Rick was dead . " Lincoln said of the flashback : " You realize Shane 's loyalty as a friend and as a man — and also his weaknesses . He still can 't make a decision without his partner , and you realize he 's flawed — everybody is under incredible duress , you see the state of the world is so extreme and terrifying that people are making split @-@ second decisions under great duress . Is Shane barricading Rick in , or is he trying to prevent him being taken by the walkers ? There are many different ways to construe what Shane has done and that 's the beauty of the show is that there 's no clear and definite answers , you make your own mind . " Other themes prominent in the episode include suicide and terror . 
