Erik gave a firm nod, lips pursed and arms sliding to cross at his chest. Thankful little heathens, weren't they?
"It was no trouble," he said in response to their forced gratitude. Neither twin seemed very sincere, though Wanda was clearly the more graceful. He understood their feelings all too well, however, and had hoped that things might have gone a little more warmly. This was not the case.
"I'm sorry to intrude," he glanced between them, then focused on Pietro. "I can't blame you for wishing to be in the company of this creature rather than myself," for a number of reasons. Wanda, on the other hand, was a little harder to peg. Other than Pietro's relation to her, he had few redeeming qualities.
He began for the door. "You chose to be here." They had made their bed - with him, and as well as at Xavier's. If they didn't want the company of their leader and father, then he wasn't going to waste his precious time. He had every right to see in on them, and he was greeted with cool, forced neutrality. His patience was wearing thin.