Truthfully, Riku MIGHT have given them to Sora on his birthday when he turned twenty. Maybe. But that late, there was no way they'd have their wedding at the end of the summer.
Riku fell over with a 'oof!' but he couldn't really complain because there was kissing and happiness and so much love that it made him dizzy and giddy and so very happy.
"I love you," he whispered between kisses, determined to show Sora just how much he adored him with ever second their lips touched. "I love you."