 The character progression of Shane is a focal point in " TS @-@ 19 " . After facing constant rejection from Lori through much of the previous three episodes , he has become more agitated and impatient with her . According to Kirkman , it was important to integrate dimension to the character so that viewers " can see later in the episode , when [ Shane ] is losing it and actually getting somewhat violent with Lori , the transition he 's gone through and how this world has changed him from being a loving , easygoing guy into this guy who is slowly devolving into a bit of a maniac . " 
