[He was so good at keeping time, he could measure how fast a train was traveling - drumming his fingers in a rhythm as he watches the telegraph posts fly by - using those two data points to measure the speed. He could time himself perfectly to end an experiment right before he needs to leave without looking at a clock once should he care to.

Yet - he couldn't make sense how long this stretch of silence had gone on. The hollow ache in his chest throbbed with his heartbeat, for a moment aware of something missing.

Then once again, his green eyes dulled as dangerous information was dissected and pulled from his conscious memory, buried in that hollowness, to protect, to ward.]

Yes, I have other matters to attend to.

[His voice was terse, irritated as if he just had an unpleasant argument, before he dematerializes]