"That's why you 'n I gotta stick together." He figures that Jean-Clause makes for as good an ally as any vampire. The nest is filled with impulsive baby vamps and old types who are too stuck in their ways to change. JC is a solid figure, and if Cooper hasn't managed to turn him off with his, ahem, unique personality type, he figures that Jean-Claude will be willing to put up with him in the long haul.