Way back in 1974, Walter Mondale was mentioned as a presidential candidate. He decided against it giving as his reason his desire not to spend his nights sleeping in Holiday Inns.
Folks who don’t run are allowed to complain about what a pain in the nalgas running for office is, but people actually running? Nope: the campaign trail is a marvelous experience and their favorite part of being a politician. That’s what you are supposed to say, or else your opponent will have a chance to do something like this:
That should do wonders for him among the rural voters in the primary.