Los domingos, Enrique es entrenado para ser asesino en serie: cargar un arma, apuntar, disparar. Matar.
No quiere aprender a ser asesino en serie. Eso significaría dejar de ver a su instructor, el guapo.
Entonces, el resto de la semana no practica: no puede cargarla, le da miedo apuntar, no se atreve a disparar. No quiere matar.
Mejor, fantasea con la pistola y se arregla el pelo.

On Sundays, Enrique trains to be a serial killer: load a gun, point, shoot. Kill.
He does not want to learn to be a serial killer. That would mean he wouldn’t see his hot trainer anymore.
So, the rest of the week he doesn’t practice: he doesn’t know how to load it, he is afraid of pointing the gun, he doesn’t dare to shoot. He does not want to kill.
Instead, he fantasizes with the gun and fixes his hair.