He huffed softly as John went on, clearly worked up about this whole teaching thing. "What makes you think any of the X-Men were ever actually qualified to teach?" He asked, "I mean did they actually go to school and get certified to teach? What makes any of them more qualified than you? At least you've got some practical knowledge of what Bobby is asking you to teach." He reminded him, unworried about John's continued reminders that he was a bad bad man.
How bad could he be really if he was cooking for Peter?
"That's kind of what teaching is," He shrugged, "I mean maybe not stabbing, but I don't think many of the students are going to stabbing anything, but why shouldn't you show them the best way to do it if they need to use that particular skill." Sure Peter wasn't much of a stabber himself, but plenty of people utilized knives as some of their skills.
"Don't think of it as working for Bobby, think of it as working with him." He added. "It's not like any of you are getting paid."