If you do not want the food is too spicy or not, add lemon juice into it if you want to add a sour taste. Travelers who ever tried Thai food, I won't forget to order was again whenever there is opportunity.
If not, the food is too spicy. Or just add lemon juice to taste, if you want to add. Thailand tourists who had tried to eat it, do not forget to order from you again, whenever the opportunity arises.
If you don't want to make food taste too spicy. Or add lemonade down if I want to add the sour. Tourists who experimented for Thai and will not forget to order come again whenever an opportunity.