When both men were outside in the alley, Remus threw up a quick muggle repelling charm and a silencing spell. Ron nearly lunged at Remus for a hug, and Remus tried to return it with some enthusiasm. It wasn’t that he wasn’t happy to see him per se, but if you asked Remus to rank the trio, Ron would sit firmly at the bottom of the list. At the very least, he’d be happy to report back to Molly and Arthur that he was alive.