He just found it. Some where. Just not exactly sure where he found it or how, but he did. And tubs were nice, they offer a little bit of protection because how many crawling things from other worlds check a tub first thing first? (No, don't let him know about the horror shows that have bathing people getting eaten all the time otherwise he would never take a shower again.)

Regardless, Jack grips his jar of dirt tighter and attempts to curl up against the idea of waking up. There was even a suggestion of a snore.