Time Traveller

You and the Sheriff reach town before the sun comes up fully, and he shakes your hand in the street.

"Ah guess you'll be leaving now then, huh?" He says. "Well, thanks for your help. If ya wanna stay, I still need a deputy.

He is grinning at you, apparently expecting an answer.

Will you go back to the machine? Or stay in the west and send the machine back on its own?