Peruvian greetings can be confusing for foreigners. When meeting for the first time, greetings differ by gender - men shake hands or hug strongly with a slap on the back, while women kiss each other's cheeks and hug softly. It is also common for men and women to kiss each other's right cheeks. Proper greetings like "Mucho gusto" and responses like "El gusto es mío" should be used. When introducing themselves, Peruvians may ask personal questions, which is normal and not intrusive. Eye contact and expressions like "En serio?" show interest in the conversation. The terms "usted" and "tu" indicate different levels of formality depending on the person