When Steven asks if he's different like that, Erik's lips quirk just a little at the edges, not a full smile but enough of one to answer the question.

Finally, as Marc rambles through his prevarications, Erik's attention turns to him, so it's fully on him by the end.

"What could you do?" he asks innocently as he lifts his hand. A teaspoon flies into it and he wags it at Marc. "And why can't you do it anymore?"