Mycoft: Sherlock was a wierdly empathetic child

Albert: Wierdly empathetic? How?

Mycoft: My brother didn't mind seeing dead bodies or the thought of touching them. But once when I slapped a mosquito which bite me, he said that the mosquito was just trying to get food and asked how would I feel if I went to the fridge to get something to eat and it slams the door shut and snaps my neck