Rafayel was the Lemurians, and it seems their kind was sensitive to physical. It's not that hard to be figured, since whenever you layed a hand on him he gasped and blushes; he literally looked like a tomato.

It got to your curiosity about the Lemurians that you make him as the examples. It amusing to see him that way, it's cute.

The longer you're touching, the more his heartbeat rising in rapids that he couldn't hold it anymore and grabbed your wrist as he looks away with flustered face

"If you keep touching me, my heartbeat won't be the only thing rising." He sighed as he looks back at you, he moved your hand close to him as he caresses it against his cheeks and kisses your palm softly.