He raises an eyebrow, somewhat amused and not really trying to hide it. "It's the science of behavior from a biological and psychological point of view, isn't it?" he points out, trying to not sound like he's mansplaining.¹ "I'm not the god of biology, but it's somewhat related, right? Or are you coming from a more psychological standpoint? That's more Sissy's thing than mine."

¹ He might be. A little. But it's entirely unintentional.