C1322 Unable to Hold It in

Sun Changlai arrived at Lee Zhi's office with a question in mind, likely something he was uncertain about.

Observing Sun Changlai seated across from him, Lee Zhi furrowed his brow. He hadn't noticed before, but Sun wasn't particularly old, so why all the white hair? Surely, he must be at least a 'seventh-grade' human in terms of constitution. Logically, whether at forty or eighty