Green 's reaction to Lupo is somewhat reserved at first , especially since the first case they work together is Lupo 's brother 's suicide ; however , after a short period of time , Green seems to become more comfortable with Lupo .
Green 's reaction to Lupo is somewhat reserved at first , especially since the first case they work together is Lupo 's brother 's suicide . 
 However , after a short period of time , Green seems to become more comfortable with Lupo .