Okay. Okay no, definitely not the brightest flame but he won't hold it against her. If anything, it makes him want to be even more patient. Like dealing with baby Nifflers.

"Dumbledore is my old teacher from school. Theseus, if you meet him if my brother. I'm Newt Scamander." Of course, he couldn't help but be polite. Little girl or not, manners were important. Even if he'd kind of neglected them in New York. A lot.