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

"When visiting Boracay Island in the Philippines, it's important to respect local customs and traditions. Avoid making negative comments about the country or its people, as Filipinos are very proud of their heritage. Do not disrespect religious beliefs or practices, as the Philippines is predominantly Catholic. Refrain from wearing revealing clothing, especially in religious or sacred places. Avoid public displays of affection, as they are considered inappropriate in Filipino culture. Do not litter or damage the environment. Boracay Island is known for its pristine beaches and natural beauty, and locals take great pride in preserving it. Avoid being too loud or disruptive, especially in public places. Filipinos value respect and courtesy, and being too loud can be seen as disrespectful. Do not ignore local customs and traditions. For example, it's customary to use both hands when giving or receiving something, and to say "po" and "opo" as a sign of respect when speaking to elders. Avoid being overly critical or confrontational. Filipinos value harmony and prefer to avoid conflict whenever possible. Lastly, do not forget to tip. While it's not mandatory, it's a common practice in the Philippines and is greatly appreciated," mentioned another expat when asked about moving to Boracay Island, Philippines.