"“Listen to me, Severus. Remus has found happiness here at Hogwarts, just as you have. Like you, he had a childhood that was less than pleasant, through no fault of his own...” "

Just as you have? Heh. If Dumbledore thought that, he was even more dense that he seemed in DH.

Wow, I never thought of that connection between Remus and Snape. Hm... Why did they have to stay in the hospital wing? I didn't get the impression that they were hurt. Cool story!

Severus was right. Dumbledore was wrong. His precautions were totally inadequate and many people were endangered by Lupin's attendance at Hogwarts. And that's canon: as Lupin said himself in PoA "And there were near misses, many of them..."