He didn't know what, in particular, but Yue made him feel different. The longer he stared at her, the lesser it seemed. Suddenly, a pang of pain erupted through his heart making him scrunch his face in agony. He placed his hand immediately over his chest making Yue overly worried.
"W-What happened? Are you alright? Is it that poison again? Do you need my blood-" Yue stopped her overflowing emotions of worry as she felt his hand rest over her head.
"I'm fine." He patted her hair as though she was a child.
"But-"