"Well, I'm glad that I did that. No one should go through life unhappy." Elphaba should've really taken her own advice there, but she still wasn't in a position to be sure of herself to try and get what would make her happy.
"No, you don't understand. In Oz when I thought you were dead, I lost it. I gave in to being the wicked witch. Even now I'm still struggling with it." She lowered her head, remembering the things she'd done in this world. "I killed someone, Fiyero. In cold blood. I did it right in front of Galinda. I'm pretty sure that makes a difference." The killing had been justified, the evil witch had kidnapped and tortured Bonnie and hurt Galinda, but the thing that still bothered Elphaba was how much she'd enjoyed killing the woman.
"If you get that fat, you're getting a house of your own." Elphaba shook her head a bit. She crossed over to the fridge and grabbed a bottle of water, opening it and taking a drink, then she turned back to Fiyero. "There's a lot you don't know, and there's a lot I've been through here."