Sitting in the business class lounge at Changi’s terminal 3, we’re half way home. One more flight, one more lot of customs, one more car ride and that’s it. Our own house, out own beds, doing our own washing and cleaning. Three weeks doesn’t seem like a long time in the whole scheme of things, and there are times when it certainly feels longer than others. It’s been a great trip, but we’re also glad to be heading home. Today started way too early, we had a car to the airport booked for 8am, so of course we slept badly. From around 6am there was music coming in from somewhere,…