He slowly turns back into Jason because Asmodeus can't really handle the loving stuff as much.

He quirks an eyebrow, "You don't care that you are losing your way with Heaven? That's...impressive." He looks at Gabriel, "We're together right now because of Grace's influence on Heaven, aren't we? It seems I owe and Grace a bit more respect and gratitude."

Jason reaches up to stroke his angel's face, "I love you, Gabriel. I'm glad that you fell for us...literally."