Hi my name is Kenneth Pilling, I am a UK National married to a Thai lady for the last 10 years. I am in Thailand since 19th January until 18th April 2024. My visa is a 90 day non immigrant o visa based on marriage. What are my options for extending my visa for possibly two months, as I am wanting to undergo knee surgery. We live in Roi Et. My last post was declined, can you tell me why please?