What cultural faux pas should I try to avoid making in Tongyeong?

"In Tongyeong, it is considered rude to blow your nose in public, especially at the dining table. It's best to excuse yourself and go to the restroom if you need to do so. Avoid pointing with your finger, especially at people, as it is considered impolite. Instead, use your whole hand to gesture or point. When receiving or giving something, especially money or business cards, use both hands. This shows respect to the other person. Avoid touching someone, especially someone you just met, as Koreans value personal space. Hugging or patting on the back is not common unless you are very close with the person. Do not write a person's name in red ink. In Korean culture, writing a person's name in red symbolizes death or is seen as a wish for the person to die. Avoid talking loudly in public places. Koreans value quiet and peaceful environments, and being loud can be seen as disrespectful. When dining, wait for the eldest person to start eating before you begin. This is a sign of respect for elders in Korean culture. Avoid wearing revealing clothes. Koreans generally dress modestly, and showing too much skin can be seen as disrespectful. Do not refuse when offered a drink by an elder. It is considered rude to refuse a drink from someone older than you. Avoid discussing sensitive topics such as politics, North Korea, and the Korean War. These topics can be sensitive and may cause discomfort or offense," said another expat in Tongyeong, Korea.