Do you think that after the fall, Lestrade randomly checked on his phone and found the drugged!Sherlock video and his heart broke into a million pieces from the sound of laughter and the memory of the silly day, and how NSY was slowly accepting Sherlock as one of their own but everything had changed in the final days? 

au where sherlock is the english teacher and john is the maths teacher and they are dating and steal kisses in the hallways and hold hands under the table as they check notebooks and have wild rough sex in the teacher’s lounge after school hours