Yes it is! 
(Sorry for replying late my notifications didnāt tell me you replied.)
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Bumping this thread!
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Oooh, I actually am going to write in a Thai character.
Generally, with South East Asian and Asian cultures in general - they have robust family values and their way of life can differ from quite basic things like parents & elders living with their kids. Itās pretty common for parents and their grown ass kids to stay home together so adult kids arenāt always expected to get their own place. Extended families are quite important too - so people like aunts, uncles and cousins are people that you keep in touch with a lot & theyāre very close too. Elders are to be respected, and it is considered very courteous (even expected in certain Asian cultures) for younger people in the family to look after their elders. You usually provide honorifics for elders instead of calling them by their names too.
Closeness is pretty important I think and food is considered pretty important in particular Asian cultures since it can range from sharing the food with family from providing the food for worship. It sustains and yes, as a previous user mentioned Buddhism is the predominant faith in Thailand. Buddhism as a faith system is very interesting as different countries and people practice it In different ways. Theravada Buddhism is what is practiced in Thailand and with Buddhism, the importance of kindness, no harm and care are important. It would be great if you could maybe have a character watching their mother cook some traditional Thai food and learn how to make a certain delicacy to provide insight 
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