This is exactly correct...
My wife and I never did the googly goo talk - If you love someone, showing it is much much better than a meaningless pronouncement of words - - it means acting when the need is there, being part of a family, driving a sick member to the hospital and sitting with them in case they need anything... [whether they are fat or thin]
the thank you in Thailand is assumed. If you help someone, yes, of course thank you - no need to lower oneself with blabby words. When my wife was in my home country, she learned that in English language and custom, voicing 'thanks you' is our custom and she does often and appropriately say, 'thank you so much' - - but it is not the custom that she grew up with and people don't know what is appropriate to say in 'your country' - in the same manner that I would never call anyone 'mate'