After Sirius's death, Remus's memories of him become encapsulated in photographs, because in spite of all the promises they made, it's all he has left.

“Fifty says two months and I’ll have him fired.” When Professor Lupin arrives at Hogwarts, Sirius Black is determined to get him fired thanks to a bet with James. And he’ll do anything to win…(SBRL, AU)

Remus Lupin always knew that Sirius Black would break his heart. (Pre and post OOTP)

The definition of true happiness is a matter of opinion - one that Sirius and Remus disagree on.

A healer reflects on the many types of madness, and the dangerous pattern of hatred and desire so evident with Sirius and Remus. (AU SBRL)

A look at the relationship between Sirius and Remus, and how regret can warp love into something entirely different.

This man was seduction personified. Sirius Black, a top agent for Lord Voldemort. Remus Lupin, an auror unwillingly sworn to save the fallen man. When a chance meeting throws them together, a dance of seduction begins.AU SBRL

We were wrong about our forever, but we were not wrong about our love.' A broken man wonders about what was, what is, and what could have been. SBRL (OOTP SPOILERS)