especially after her relationship with Superman had imploded on her.
And whose fault is that? Clark, why do you intentionally make things so complicated?
He doubted she was serious about Luthor by the way she kept flirting with Clark,

he understands some of the truth.
and gushing on about how amazing Superman was.

he does not see this as the praise for him it is meant to be.
Well, she gushed about Superman when she didn’t know he was in the room.
Lois:I knew he was in the room. He just did not know that I knew.
“You know all those times I pictured you touching my chest; it never was quite like this,” Lois said with a nervous laugh.
Superman:You pictured me touching your chest?
Lois:Especially in the last few weeks.
Superman:I thought you moved on past me.
Lois:I could never move beyond you, Clark.
Me, too. Actually, that wasn’t true.
He often imagines taking the bomb away from her?
“You know, it’s time like these that I think maybe I should get a regular, boring job, settle down with a guy who sells insurance, and have two point four kids.”
I think that should be "it's times like these".
“It would make my job easier.”

Clark, you lunkhead, don't insult her like that.
“I don’t know,” he replied honestly, glad to be returning the topic at hand.
I think that should be "to the topic".
“The box is lead lined, and I cannot see inside. Mr. White’s arguments against it being a nuclear bomb sounded sensible to me
Lois:Did he just admit he was Clark? Can we end the charade now, please?
“If you recall, I volunteered. It was the only way to save…” She paused, moving her gaze from his hands to his eyes. “Clark.”

I was so hoping she would sneak in a you before saying Clark.