"Once you get back from taking a piss, you're just as due for taking anything as I am."

Would be keeping an eye on Jack as well when he did pick his way to a place to relieve himself, habit. Make sure he was still in Gabriel's view just in case of anything, even if they were pretty much alone there due to the time of night. Not many traveled out this far this time or year, let alone night. They lucked out, even if it likely wouldn't last much longer.