What are acceptable reasons for extending a visa in Thailand on STM2?

When applying to extend your STM2 visa in Thailand, various reasons can be provided. Common suggestions from the community include stating that you enjoy being in Thailand, citing tourism as a reason, or mentioning personal circumstances such as a family issue or health concerns at home. Some humorous suggestions include spending money to support the local economy or personal relationships. Generally, written reasons may not be closely scrutinized by immigration officials.