He relaxed against her, grateful for her tacit understanding and lack of pushing, chuckling softly at her comment about the bands but not bothering to reply. His views about the bands were well known, after all!
He was also aware that Martha really would have liked something more than commitment-free sex, but with such a tiny pool of people to sleep with, it wasn't at all surprising that she hadn't found that special someone here, any more than he'd found anyone other than Ianto to fall in love with. So he kept up the pretence along with her, because there was no point in continually going over and over it.
Much more enjoyable to turn to the subject of his own sex life, because that at least was still working out for him. He smirked a bit. "Mmm, it was good. Very good. Although a little odd this morning. Must have been a glitch or something, but Kirk somehow got twenty years younger overnight!"