Snape accepted Lily's admission of knowledge, absorbing that revelation, letting it fall into the black lake of his past regrets: an abyss where monsters lurked which would put the Giant Squid to shame.
In response to Lily's last question he mutely shook his head, sending the heavy hood of hanging strands swaying into his face. "Since I came to this time, realised that my role in the First and Second Wars was now known, saw what he and Narcissa had made of their lives, I... came to an understanding with him, that I hadn't hoped for in decades.
He was so much older than I remembered him, but for these last few months, I finally had him as the friend I'd always wanted.
Such a small thing, in comparison to the hell he led me into."
The dark eyes eased closed. "But I'm glad I had those few months."