I admit that I'm tired but I'm still not 100% clear when the event in the memory happened. Was it during Harry's year on the road while Snape was Headmaster when the Trio briefly lived at Grimmauld or some non-canon occasion?
I had to read the end twice. The first time I was panicking so I was speed-reading/skimming because I was like "I can see 'post a new comment' and Snape isn't revived yet! What gives?" Then I was done and I was like, "Damn! This isn't a revival :(" Then I started reading the comments and realized, "Oh, let's try that again and this time read *ALL* the words" lol.