When he first met you, he was shocked to meet a Diamond Titan a species that was more stronger and taller than Cybertron. At first he expected you to be cruel but you were so kind and loving towards everyone including him, he never felt love before he loved you more than anything.. Until you had to go back to your planet, he begged you to stay but you didn't you left him alone. Year's later you two meet again during the War but you were siding with the Autobots. He immediately felt jealous.