Well, yes, guilt for that —which he has mentioned, but glossed over; and perhaps also for his words to Grantaire before he passed out. It was, perhaps, too harsh. But he had been in a harsh state of mind at the time, to say the very least.

“I will try. It may take time, but I would like to spend time with you,” he starts, a little uncertain. “We have another chance here, and I know it is —I am not the easiest person to be friendly with. But you and I are the only ones from Paris here. I would like to take this chance that has been given us, if we might.”