He thought about a great deal of things leading up to the day of.

He contemplated almost every second of a day, always something coming up within his mind. He lived within his head for most of his day, even during combat- especially then, when his body took over and his mind drifted off into the great ocean of thoughts that overflowed from a shabby dam.

He was drowning in it, almost, his own thoughts.

Questions, answers, how to act, what to do, how to do things properly, what was the correct thing to do, if there was even a 'correct ' way to handle this at all. All sorts of matters ran through his mind, ranging from the benign to the disastrous.