well but you need a freshly printed by the Amphur "Kor Ror 22" marriage registry certificate, your marriage must be registered in Thailand. Or you cannot apply for the "60-days family visit extension"
there is a difference between a visa and a stay permit. The visa lets you ENTER the country, the stay permit lets you STAY in the country . . . .actually TWO ROSES, not one. The visa you entered with, expired the very moment when you entered
I was asked in my visa advice group by a German/Thai gay couple who are married legally in Germany, if they can get the dependent spouse visa for Thailand. They had visited Immigration, but it seems there haven't been set any rules regarding same sex marriages, yet
you didn't "renew your retirement visa". You only applied for the next "1-year extended stay permit based on retirement". You do not have a "visa" any more
a re-entry only keeps the stay permit it was bought and issued for, alive until its expiry date. There is no rule for how long you can stay abroad - when you re-enter, you will only be stamped in until the original stay permit expiry