Clark had been counting on her picking up on that. His parents share a knowing look, and Lois seems completely oblivious to the fact that Clark is yet again running out on her for no real reason.

It's not until they're in the truck, driving away that he turns to her and says, "I figured it'd be a good idea to escape the black hole that is Lois's conversation before you got sucked in for eternity." He offers an apologetic smile.