And the Answer Is...

Jace, a blackmailer, with Tempus' diary, finds out about Clark's identity and forces him to steal and do everything more that he wants... and one thing more (by Nigel's suggestion).... to kill Lois, or he kills Martha and Jonathan. Lois tells Clark the only way to save his parents is to freeze her, then she will look like a dead person, and he tells her this can be very dangerous to her life, but, even so, she tells him to freeze her. Superman gives Lois (appearly dead) to Jace and Nigel, then they lock Superman in the same place where his parents are locked in. Jace kills Nigel. After Superman finally saved his parents and himself, Lois still did not open her eyes, then, he begins to beg to her life and she finally opens it, slowly. After Clark realizes he almost lost Lois, he proposes to her.