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

"It is important to be respectful of local customs and traditions when visiting Puerto Armuelles. It is important to dress modestly and to avoid public displays of affection. It is also important to be aware of the local language and to be respectful when speaking to locals. Additionally, it is important to be aware of the local religious beliefs and to be respectful of them. Finally, it is important to be aware of the local customs and to be respectful of them," remarked another expat in Puerto Armuelles, Panama.