Slytherin wasn’t the only founder to leave a concealed chamber at Hogwarts— before her death, Helga Huffelpuff created a secret room which would help all students, regardless of house affiliation or purity of blood. It’s been called many things throughout the centuries; today it’s known as the Room of Requirement.
I just realized that in this godforsaken scene:
When Sherlock says “I think it could work”
He’s saying ”I think the name Sherlock Watson could work”
And then John, still laughing, realizes what he just heard and does a sort of puzzled look back up at Sherlock:
And Sherlock just:
And in conclusion, we’re not exactly looking at an aborted declaration of love.