"It's always good to have a best friend." He smiled at Koschei's grin. "Then you always have someone to rely on." He paused, spinning the glass idly between his fingers. "It's been a long time since I had someone I could call my best friend. I miss having him around all the time." Well, for a while, at least, he did. Now... now, he wasn't so sure he missed the Doctor all that much.