His face fell and he cleared his throat, leaning back against a tree. "Just have a lot on my mind, that's all."
He laughed slightly, shaking his head. "I'll relax when they get back. They've proven to be too volatile to trust."
He hesitated, his gaze becoming unfocused as he thought. "I... I don't know. I care about her. I don't want her getting hurt."
"I was for a while," he said, leaning back. "I think we were happy. But she loved someone else, and it wasn't fair for me to keep her."