Sigma finds his own smile growing in response. Happiness begets happiness. Pleased the other Tribute had seen the resemblance, Sigma gladly answers his question. "About a year now, actually," he realizes. "Howard bought him for me following my second Arena." He feels nervous bringing up Howard. He had not done well to find him after the Arena had concluded - he is too afraid to push the issue. Sigma puts his hands in his pocket casually, finding this intrusion rather agreeable after all. He found he wanted someone to talk to. "...What is your field of study, if you don't mind me asking?"