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

"It is important to remember to be mindful and respectful of the local customs when visiting Patzcuaro. Tourists should avoid taking photos of people without their permission, particularly in religious sites and areas of cultural and historical significance. Additionally, it is important to dress modestly and be aware of local etiquette when eating or drinking. As a sign of respect, public display of affection should be avoided, especially in religious settings. Lastly, it is important to avoid making negative comments about the local culture, customs, beliefs, and attitudes," mentioned another expat when asked about moving to Patzcuaro, Mexico.