“Wait… what?” Stiles asked because a mention about tying someone up and a safe word was the last thing Stiles expected to hear come from Derek Hale’s mouth. “Did you… I should have guessed you were into that.” Stiles was so distracted with this new found information that he idly rubbed his chest and ribs and hoped he wouldn’t bruise. “Please don’t teach my dog anything kinky? I’m not that kind of guy.”