How could he know how she felt when she wasn't even sure, herself? It would have been one thing, telling Peeta, if she wasn't so confused about how she felt, but- oh, this was going to hurt him so much and that wasn't what she wanted.
"I don't want to lie to him," she countered. "I just don't- I don't want to hurt him, either." Why did everything have to be so damn complicated? She couldn't believe she had actually kissed Gale. It was stupid, so stupid. No matter how good it had felt in the moment.