“Jill, you would not want Duke?” She heard an echo of “water brother” in his mind. “Hmm . . . I’ve never thought about it. I guess I’ve been ‘being faithful’ to you. But I grok you speak rightly; I wouldn’t turn Duke down—and I would enjoy it, too! What do you think of that, darling?” “I grok a goodness,” Mike said seriously. “Hmm . . . my gallant Martian, there are times when human females appreciate a semblance of jealousy—but I don’t think there is any chance that you will ever grok ‘jealousy.’

