"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."