"Because I have a crush on you. And I didn't want to get hurt, or ask you to change. It's pretty obvious you don't want to be held down by anything, and that's something that, rationally, I can respect and understand."
She looks at him, this time, figuring at this point, this is the way to cause the least amount of damage. "You've been so wonderful to me, and I should have told you this before I pushed you away."