If I do the tour that I'm thinking of, my wife is thinking of coming along, but using our own car and not as part of the tour group itself. She's not a morning person, so can sleep in while I leave on my ride for the day, and then she has the day to wander around and meet up at the next hotel. The touring company is OK with that, and can also arrange to include her in the couple of group dinners that are part of the package.