Headcannon:
When Sherlock goes to leave John for the night, he pretends to leave until John’s in his dorms, then he comes back and reclines on the couch because he likes the Gryffindor common room much more than his own.
When Sherlock goes to leave John for the night, he pretends to leave until John’s in his dorms, then he comes back and reclines on the couch because he likes the Gryffindor common room much more than his own.