Actually, when you think about it. Clark's 'perception' of Lois is not really any different than it would be if he happened to be blind. The blind person in a relationship has to rely on his other senses to 'interact' with his/her partner, they just can't see them. Kind of like how it is with Clark.
Tank (who thinks that Lois' death also solves the problem of Clark's extended life expectancy brought up in Brutal Youth since she'll be able to be around as long as he is)
