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

"In Estoril, it is considered rude to interrupt someone while they are speaking. Always wait for your turn to speak. Avoid discussing sensitive topics such as politics, religion, and the country's past during the Salazar regime. Portuguese people value their personal space, so avoid standing too close to someone or touching them unless you know them well. It's considered impolite to be overly loud or boisterous in public places. Portuguese people are generally reserved and appreciate quiet and calm behavior. Do not rush interactions or meetings. Portuguese culture values relationship building and this often takes time. Avoid being late. Punctuality is appreciated in Portugal, especially for business meetings or formal occasions. Do not assume everyone speaks English. While many Portuguese people do speak English, especially in tourist areas, it's respectful to learn a few basic phrases in Portuguese. Avoid wearing beachwear or overly casual clothing in churches or other religious sites. Do not leave food on your plate as it can be seen as wasteful or that you did not enjoy the meal. Avoid making the "OK" hand gesture (thumb and index finger forming a circle) as it can be considered rude in Portugal. Do not use Spanish phrases or assume Portuguese culture is the same as Spanish culture. The Portuguese are proud of their unique language and culture. Avoid criticizing or making negative comments about Portugal or Portuguese culture. The Portuguese are proud of their country and may take offense to negative remarks," mentioned another expat when asked about moving to Estoril, Portugal.