"Well it's not my galaxy," John said almost defensively. "We already saved this one. Several times, actually. You think vampires are bad, let me tell you about Replicators--"

"My galaxy," Ronon repeated, if only to stop John from derailing them both. "You get once chance at this. You say no? We're gone. You won't see us again. But if you're in, you can do more than playing babysitter here."