"Hello, Symmetra." Micah smiles faintly, if a bit tiredly, but their greeting is no less sincere for it. "I'm afraid I'm at least partly to blame. Sometimes you just...lose track of the time."

Or refuse to acknowledge it, when they're deep enough in something that they don't want to quit and risk losing their momentum. They tilt their head at Symmetra, curls bouncing lightly. "How are you?"