Shisui stuck his tongue out at Itachi, but followed him up by bracing his hands on his knees. "I feel old, but I guess my joints aren't cracking yet." He knew of people's who did. At the same time...

He'd always been perplexed that he'd survived past twenty. Almost five years later, he wasn't any less startled than before. Shisui shook his head.

"C'mon, there's antibiotics waiting for you."