I must admit that I didn't think about that!
I'm in a bit of a different situation as I also have a house in Thailand where I will retire to, so that's not too much of an issue for me personally.
So you have bought just not in this country? That could be a gamble in a country like Thailand where anything could happen before you retire. What if there's a military coup, another tsunami? Also as you get older you might need more medical care. Many expats return home as they age for that reason.