And it’s one of the most awkward things ever.
Lily, of course, is happy as is Remus since he’s always hated the fighting. Sirius tries to be the tough guy who knows he owes Severus an apology and gives it in the most reluctant way possible.
But James is just so thankful to Severus for protecting Harry, even if it wasn’t for him - Hell, even if it wasn’t for Harry! - because he did it anyway, after all the crap he put him through when they were kids.