After that night, Harry would never doubt his place in their relationship, it was the three of them, it always would be. In the following days, months, and years, they made no effort to hide their relationship. There was no formal "We’re all together" but it was overwhelmingly obvious to all who saw them, starting with their friends, and then the entire population of Hogwarts, which quickly spiraled to the entire British Wizarding World. Not like the three of them wouldn’t walk down Diagon Alley hand-in-hand, arms around each other or sharing less than brief kisses.