Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
I don't think Maria-san would ever 
need to be told those things.
No creo que vaya a tener que 
decirle algo así a Maria-san.
No creo que necesite decirle esas cosas a Maria.
Acho que você não precisaria 
dizer isso para a Maria.