I don't remember where this was (Foundling, maybe?) but Lois was massaging Clark's shoulders. From patchy memory:
L: Wow, you're so tense! You're like iron. C: Steel, actually.
Or something along those lines
PJ
"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed. He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement." "You can say that again," she told him. "I have a...." "Oh, shut up."
