Because of each other...

Clark: You have a second chance. You can change all that.
Lex Luthor: But that's the thing about memories--you can't forget them. Like how you're always one step ahead of me, Clark. No matter how meticulously I prepared, no matter how strategic I was. If only I'd known I stood a chance.
Clark: It wasn't a competition.
Lex Luthor: Of course it wasn't. You were born to be the chosen one. You're simply better than us.
Clark: And that always killed you.
Lex Luthor: No. No, what killed me is that you didn't even want it. You fought it--you hid from it! I would have taken it and relished it, embraced it.
Clark: My destiny wasn't yours to take!
Lex Luthor: I get that now. Which is why I finally embraced my own. You and I... we will both be great men. Because of each other. (They'll be great men because they are unuque everyone for himself?) We have a destiny together, Clark... only on different sides.
Clark: And I'll always be there to stop you. Always.
Lex Luthor: Oh, I'm counting on it. Our story hasn't been written yet, (They are just getting started

with their interaction?) Kal-El.