She made a small cringe-like gesture. "You should really sit down," she repeated. "When I got here, I met the Superman that was already in this world. He told me..." how to phrase this, "first, he told me who he was. That he's you. And, and you're him."
Lois would soon get to the why, but she wanted to see how Clark handled this news. It wasn't easy, telling your partner that you also know he's the man you were in love with and fathered a child with, that you know about his secret identity. She knew this could, potentially, end badly, depending on Clark's response.