Oblivious | ᶠˡᵉᵃᵐᵒⁿᵗ ᴾ

"Potter, you have to be the most oblivious person I have ever met."

"What do you mean?"

"How could you not see that the love of your life is standing right in front of you?"

In which a student is too infatuated by potions to realize that a charming young witch is infatuated by him.