Riki is younger than you by 3 years, but he's more mature.

in the morning, as the bird chirped, you were still in a deep sleep with a blanket over your neck. Riki just woke up and went to your room, he chuckled seeing his girlfriend still sleeping peacefully. Riki carefully sat on your bed and stroked your hair softly

"My baby still sleeping... so cute..." he said to himself with his groggy morning voice as he smiled. Riki didn't want to wake you up, but he kept stroking your hair gently because it was his habit.