"Jen and I made the mistake of making ourselves too available while we were in our first blush," Affleck said in reports published Saturday.
Seemingly every move the couple makes is documented, with a highly publicized wedding called off last summer.
Affleck said he and Lopez are trying to reverse that trend.
"I feel like a snake eating its own tail. All I do is keep getting in this bizarre circular process of doing things and then reading about them; not doing things and then reading about them," he said. "I'm certainly making an effort to be more private."
Toddler uninjured after being knocked over by Obama family dog
Florida bear attack: Black bear mauls woman's face