"Very good," Balt answered with a nod, satisfied. And why shouldn't he be? Scamander, after all, had never struck him as particularly frivolous or unreliable. "Good evening to you, then."

WHAT DO YOU DO?
a. Make your farewells and leave.
b. Change your mind and admit the truth.
c. Say you should double-check and return to the vault, hoping he does not choose to accompany you