To say that you love someone implies that it is possible to not love them. Romani do not say 'I love you', they show it. Dick Grayson grew up without the words of love, but heavy with the actions. Dick Grayson never regretted not telling his parents that he loved them because he showed them.
Bruce Wayne was a whole new game. Dick Grayson never said he loved him. But he showed it in every action as Robin. And he knew through the unspoken words and silent encouragement of Batman that Bruce loved him just as much.
Dick Grayson never regretted not saying he loved someone. He showed it in his actions and not for a moment did they doubt they were loved until the love itself changed.
Wally West was Dick's best friend. He was the ever present force of nature at his side. He was the comic relief to any situation. And he was the only person Dick ever regretted not saying he loved.
