Now, this would normally have been something trivial I would have just shrugged off. But my computer partner also got in trouble for "not stopping me". What was he going to do, knock me out of my chair before I pressed enter? This kid was the stereotypical teacher's pet who always did his homework and was quiet in class, so I felt particularly bad for getting him in trouble. I even offered to serve two days of ISS instead of him getting in trouble - of course that request was denied.
To this day, I still cannot understand that woman's reasoning. How is "you could have done something bad," grounds for punishment? What kind of person feels the need to punish a child who's showing enthusiasm for a subject they're teaching?