"Direct neural stimulation of sensory processing, leading to the artificial creation of sensations ranging from direct release of hormones that register as pleasure, to phantom sensations across your skin. There is also a degree of mental possession, where either Miles melts into Delta a bit, allowing active sharing of physical sensations that Delta processes through Miles's brain, or Miles stepping back mentally and Delta overtaking active control of the body, complete with the sensations it receives," David explains.

Well, really, it's relaying Delta's verbatim 'simplified' explanation to him not too far back. "We're teaching him about human concepts such as love, lust, and pleasure. He's... a very eager student and partner to us all."