Their Last Vows

Not long after the return of an old foe, Mycroft walks into his favorite diner one dreary winter day for a cup of his preferred blend of spiced chai. Needing chai had nothing to do with the heart. Mycroft didn't believe in the heart. At All. But what he found in the stranger next to him was at once, compelling, sorrowful, and worst of all, familiar. NO SLASH.