Fair play to the lad for looking after his Dad.But 77 is not a bad age to pop your clogs and at least the've both got a good tan while the've been here.
Been using them ever since they came out.Never ever been sick but saying that in perhaps 15-18 years i've never ever seen anyone change a filter.Wonder if we become immune?
I enjoyed my stay there.The town is clean and walkable in one day.On the main rail-line (next stop Pilok)and easy enough to go east to Petchabun or west to Kampang-phet.