Rayburn: A man can be an artist... In anything, food, whatever. It depends on how good he is at it. Creasey's art is death. He's about to paint his masterpiece.
When the chief of intelligence and the reporter talk about making up she replies, "no dormimos, cogemos." Cogemos, is not used in Mexico. It is rather an Argentinian slang.
When Pita is doing her homework and notices Creasy smiling, they play a game to see who smiles first. This scene was completely improvised.