Someday, you will look back and see the obvious pattern here. I know I didn't see it clearly until I was away from it for a while. My AH would do the same type of things. He joined a pool and swam every day--for a while. He decided to only eat healthy food--for a while. He got in shape, started running, did chores around the house, bought be gifts, etc, etc, etc. And it always lasted for a while. Long enough to get me to stop thinking about leaving and start thinking about staying. Google "cycle of abuse." It's the same thing.
Yep, me too. And when he surprised me with the next round of dysfunction, the level of cruelty was breathtaking.
I had to stop being surprised and start recognizing his behavior patterns for what they were.