It seems an awful­ly long time since Cana­di­ans were last lec­tured by the state on sex­u­al behav­ior. Just as folks were head­ed out for Labor Day long week­end frol­ick­ing, Dr. There­sa Tam, Canada’s chief pub­lic health offi­cer, warned fel­low cit­i­zens to wear a mask while hav­ing sex and to avoid kiss­ing peo­ple in order to pre­vent pass­ing along a Covid-19 infection.