Retirement gives loads of time to muse over things… much of this musing leads to being grumpy - but sometimes you see the sense. Let’s start with the musing. My wife and I checked in together for our recent flights with United to Puerto Vallarta. We’d booked separately after I managed to save £700 using an AMEX offer — a story for another day. My wife, we’ll call her Jane, as well that is her name, and wife sounds a little formal for us friends. So Jane would always be assig