Aunt Petunia's Apology

When the Dursleys left Privet Drive in The Deathly Hallows, Aunt Petunia hesitates as if there was something she wanted to say. Years later, a rather awkward-looking Uncle Vernon wanders up to The Burrow to give Harry something he never expected he would ever receive: a letter of apology from his Aunt Petunia, filled with the words she never managed to say. One shot.