I would write...

Elena

"dear diary,
today i convinced myself it was ok to give up. Don't take risks. Stick with the status quo. No drama, now is just not the time. But my reasons aren't reasons, they're excuses.All i'm doing is hiding from the truth, and the truth is that...
I'm scared, stefan. I'm scared that if i let myself be happy for even one moment that... the world's just going to come crashing down, and i-- I don't know if i can survive that."

Stefan

"i met a girl. we talked. It was epic. But then the sun came up and reality set in. Well, this is reality."