I've seen lots of people behave like that when traveling - it's embarrassing. If someone visited their home and behaved in that fashion, they'd be thrown out, so why behave like that in someone else's home?
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What an inspiring post! I took steps to change my lifestyle a few years ago for that very reason. Since you don't know what's going to happen, why wait for a mythical future when you can enjoy the present now? For me, achieving the perfect lifestyle is a work in progress. I'm living in a great place, working for myself, but I'd like to change the proportions so there's more play and a bit less work. :)
My recent post What Do You Really Need To Know In A Foreign Language?