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

"In Bergamo, it is important to be aware of cultural norms and etiquette. It is considered impolite to be late for appointments or social engagements. It is also important to dress appropriately for the occasion, as Bergamo is a conservative city. It is also important to be respectful of religious beliefs and customs, as Bergamo is a predominantly Catholic city. Additionally, it is important to be aware of the local language and to avoid speaking loudly in public. Finally, it is important to be aware of the local customs and to avoid making assumptions about the culture," mentioned another expat when asked about moving to Bergamo, Italy.