Sherlock, Series 4

Little Eurus:
You look funny grown up.

Watson:
What’s wrong?

Mycroft:
Sorry. The memories are disturbing.

Sherlock:
What do you mean? Examples?

Mycroft:
They found her with a knife once. She seemed to be cutting herself. Mother and Father were terrified; they thought it was a suicide attempt. But when I asked Eurus what she was doing, she said-

Little Eurus:
I wanted to see how my muscles worked.

Watson:
Jesus.

Mycroft:
So, I asked her if she felt pain and she said-

Little Eurus:
Which one’s pain?