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

"It is important to show respect for the customs and culture of Mexico when visiting Saltillo. Avoid making derogatory comments about the nation or its people. Refrain from public displays of affection, as this is not considered socially acceptable among Mexicans. Additionally, it is important to dress conservatively, as wearing revealing clothing might be seen as offensive. Try not to be loud or boisterous in public and respect the local customs and religious beliefs. Lastly, be aware that the portion sizes and types of food served in restaurants in Saltillo may differ from what you are used to, so be polite and remember to be patient and kind when interacting with locals," remarked another expat in Saltillo, Mexico.