I am always kind of bummed about the lack of period 60s smoking in xmfc fics, because having a historical fandom is such an excuse to indulge in sexy smoking kink without feeling guilty about it!!!
(100% head canon that Charles craves a fag post-coital, and Erik ribs him for being a cliche.)
(Also 100% head canon that all of my Eriks ever like to have a metal light on them to play with. Even the ones who don’t smoke.)