That graphic is totally misleading. There is no reset. You were lucky to get in visa exempt this time. It's time you got an appropriate visa for living in Thailand
Anonymous participant says many thai consulates, they view online visa applications as being just the same as if you had walked in and handed over your passport. A number of consulates even make you sign that you will remain there until processing completes.
the 60 day extension is not based on being married, it is based on visiting Thai family. In your case the family just happens to be your wife but if you ask for 60 days because you are married you will likely be refused
the issue is he isn't on a visa/extension that allows him to work remotely now. Good advice would have to go and get a DTV based on workation as this is 1 of only 2 visa options that allows remote work