He hates that he is the cause for that look on Cloud's face. Had it been 'his' Cloud he would have simply kissed those furrowed brows and then maybe kissed Cloud himself. This wasn't his Cloud though, he was different and they didn't have that relationship yet even if he firmly believed that it could happen again. If Cloud loved him once he would love him again and Zack would wait for him, always.

"I'm fine. It's just a lot ya know? I don't even have Angeal's sword here. " He frowned at that knowing this place wasn't the reason for the loss of the Buster sword. "But seeing you is cheering me up." He dropped the frown and grabbed Cloud's hand, leading him to the pokecenter again.