There is a fact that everyone loves teddy bears, and this applies to our military doctors as well. Even though he never knew why, everyone around him was actually very kind to him. Unfortunately, after the incident in the swimming pool, our professor, who claimed that his only shortcoming was his capriciousness and his love for planning crimes, also discovered this. And decided to experiment on his own to find out. If John knew that his act of sacrificing himself for Sherlock attracted the attention of the person he was afraid of, maybe he would be given another chance... He would still do it.