I would take the first choice.
I'm not sure even, what health issues you described. Obviously no asthma but could be COPD. Antihistamines wouldn't help.
In this case Krabi is your choice to live longer.
I myself move every year for 5 months from Chiangmai to the South because of this health problem.๐
You grow up and use technique and technology what is on the market at that time.
So in 60 years from now we'll meet new technologies and kids then will use it.๐
Many questions.
If your friends are too illiterate avoid to talk about difficult things.
On the other hand it might be that your French pronunciation is not correct. (what is a common problem for US and UK people).
Google might be helpful for you and your friends๐
That's not any answer to my question from the beginning.
As I stated you're not able to answer. You're sharing this fate with many of those members here.๐