The 40-year-old, who raises children Violet, 7, Seraphina, 4, and Samuel, 1, will be baby sitting the children now as Garner has signed on to star in a few films, reported Digital Spy.
"Jennifer is going to work. And she told me to go to the gym! I'm preparing myself to take on some more of the burden at home. Jennifer's got a couple of movies coming up, so it's going to be a little Mr Mom action, and I'm going to get back in the ring and we're going to see if I still have it," he said.