"Leave her alone," April protests quietly from the Doctor's lap. She's scared, and she doesn't want the Doctor to get hurt more, but... Well, she may be terrified of being hurt, but that doesn't mean she's terrified to sit back and watch the same thing happen to someone else. No one should have to go through anything like what the Academy put her through - breaking her and hurting her and not caring that she was a person.

Of course, however, the moment the words are out of her mouth, the has to bite her tongue (literally) to keep more from coming out.