The Prime was happily oblivious to the thoughts of his newly-acquired lover, content in frame and spark and without a hint of fear or suspicion. She had treated him kindly in a great moment of both physical and emotional weakness - why would she seek to?

His purr deepened as fingers graced the side of his helm, and Optimus automatically turned his head into the touch, smile growing.

::I can see why. You have a lovely talent.::

Despite their dimness, his optics lingered faintly online even as the rest of him began to drift off. He wanted to both watch as well as listen to her sing for as long as he could.