Malcolm blushes even more when she kisses him. He realizes that he's acting like a teenager, but he can't help it. Elena likes him and it makes him feel good, if not a bit shy.
"My last relationship... ended badly." With her in a body bag, but Malcolm's not as worried about that here. Theoretically, nobody from his home should be after Elena, last night's ghosts in the hedge maze notwithstanding. "I just want to take my time with you. That's all."