"Masked characters can't express feelings with the mask on" Explain this:

Bloopers & Behind The Scenes on Instagram: "Harry Potter is a fantasy film series based on J.K. Rowling’s novels that follows a young wizard as he discovers his identity and grows up in a hidden magical world. The story centers on Harry’s years at Hogwarts School of Witchcraft and Wizardry, where he learns magic, forms close friendships with Ron Weasley and Hermione Granger, and gradually uncovers the truth about his past. Across the series, the tone matures as the characters face darker challen