I do not know about their definition of "happy", but mine is summarized buy half of the first criteria. Seems more like a map of where they think people should be happy.
I had a rescue dog that followed me everywhere. Hated when I left the house without her. After a couple of years, she had stopped. It was a bit of a relief, but I kind of missed it.
One of the other symptoms of separation anxiety was that when I got back from vacation, she was thrilled to see me but immediately went to sleep for hours after 15 minutes of play.
The Godfather showed me how a movie can be adapted from a novel and not suck. It kept the story, illustrated a number of key scenes and fleshed out characters.
I never miss a local bout with the South County Roller Derby. They are are in a flat-track league. Was able to catch the last banked track match with the Santa Ana team. The difference is dramatic. People literally became airborne.
One of the other symptoms of separation anxiety was that when I got back from vacation, she was thrilled to see me but immediately went to sleep for hours after 15 minutes of play.