"Five minutes for what? Do you have to go to the bog or something?" Herbert asks, disgruntled, then sniffs. "It doesn't matter, anyway, I fulfilled my end of the bargain, now you can do yours and piss off."

That would probably be for the best. Herbert was getting a little too into it for his own comfort, as well. There were no inopportune erections cropping up, but it was only a matter of time, and how utterly mortifying would that be.