It’s a very intrusive process. The Thai immigration comes to your house an requires witnesses to verify that your marriage is authentic. They take pictures of you and your wife in your bed. I changed to retirement extension after one year
You can get the form to do it on the ss website. I went to the main Branch of Bangkok bank which has a huge foreign exchange department. They are very familiar with the form and will provide the required signatures. Excellent service but a long wait because they only have 2 or 3 people who can perform this function
Two times I’ve had dogs run into my front wheel at a90 degree angle. One time involved a trip to the hospital and a CT scan. Never thought of asking the irresponsible owner to pay for medical expenses. For those who don’t ride bikes in Thailand you can’t possibly understand the sheer number of uncontrolled dogs.