The reason? He just really loves it and can't imagine it ending, yet. Although he does understand at some point it will be time to hang it up.
"It's just so much fun. You can follow all the way through from when the song is born to when it's out on the radio and the label never get in the way," Stewart said. "I don't know why Elton doesn't do it. I've got eight kids; he's only got two," he finished laughing. -Tucson.com
Why would he? These were just a few days ago (shaky, but he sounds great!):
Zilele Bucurestiului - 23.09.2018
Rod Stewart performing live at Piata Constitutiei, Bucharest, Romania.