Imagine an immortal. How would he or she actually look? Like a baby? Or like an aged man or woman? Most likely neither. An immortal would not look like a youngster, either. He or she would be in the prime of life. But when would that be? For a man, between thirty and fifty, say. And for a woman, between a bit less than thirty and forty at most. Alas! But an immortal would surely look mature, albeit in full physical power still. An idiotic question, to be sure, but an interesting answer. Behold, we can visualize even immortals! And against our full knowledge that immortals cannot possibly exist. With the exception of true believers, I guess, who would most likely go for aged men by sheer custom.