Rather than punch the girl in the face, he abruptly stood up from his seat and walked away.
Causality was no longer the hidden demiurge that ruled the universe: down was up, the last was the first, the end was the beginning. Heraclitus had been resurrected from his dung heap, and what he had to show us was the simplest of truths: reality was a yo-yo, change was the only constant.
In fifteen years, Sachs traveled from one end of himself to the other, and by the time he came to that last place, I doubt he even knew who he was anymore. So much distance had been covered by then, it wouldn't have been possible for him to remember where he had begun.