What do I need to know before retiring in Antwerp?

"Before retiring in Antwerp, expats should familiarize themselves with the local language, Dutch, as it is the official language of the city. Expats should also research the cost of living in Antwerp, as it is one of the most expensive cities in Belgium. Additionally, expats should research the healthcare system in Antwerp, as it is different from other countries. Finally, expats should research the visa and residency requirements for living in Antwerp, as they may need to apply for a visa or residency permit," remarked another expat in Antwerp, Belgium.