Spock, however, has absolutely no compunction about doing precisely as McCoy has implied; after a brief tip of his head in acknowledgment, he turns crisply on his heel and proceeds out of the door. McCoy is only a friend in the most loose sense of the word, the two of them existing within the same space because of a mutual agreement rather than affection. However strange it is that they find themselves in their present circumstances, Spock certainly does not consider it his place to intrude upon something so innately personal.