The way I look at things, having not got kids in my early 30s yet, is that I am 100% away for 4 days, with a day on each side depending on the schedule as it comes. As Catans said, if you are in the mindset that from 0400(z) to 2359 day 1 to day 6 you are away from home, then any time that you are not at home is a bonus. Again, without kids in my life, I come home on day 6 relatively fresh for my 5 days off. I have slept well, and spent less time commuting to hotels on tour each night than I did when I worked for a big airbus airline commuting every day after 4 sectors, having hardly any time at home to do things other than eat and then go to bed.