Newt just wasn’t marriage material and he’s accepted that. His social skills were pathetic and he isn't a powerful wizard like his Theseus. So it wasn't shocking that everyone put all their attention on Theseus.

But, Newt prefers it that way because he hates being born into the rank of rich snobs. Newt wishes he was born lower class like his friends; the Goldstein’s and Jacob.

When Theseus’s wealthy friend Percival visits, Newt is immediately disgusted with him. Percival makes his views on Pureblood superiority and social status clear, proving he’s another arrogant rich blood. But Percival goes a step further, when he starts insulting Newt’s friends.

Percival notices that the younger Scamander spurns his company. When confronted, Newt snaps and tells Percy to take his Pureblood privilege where it doesn’t shine.

Percival is stunned and very intrigued, but he's a fool to think Newt will go easy on him.