He moved slowly as if he had aged considerably overnight or was in great pain. He reported only a slight headache, however. Again, he asserted that he was innocent. ‘Rachel and I have had our trouble, no denying that,’ he said. ‘And she is very much attracted to you. I don’t know whether it’s because she is on the bounce from me or if she would have fallen for you in any event. Even I can see what she means by your animal magnetism. And you’ve become doubly attractive in this world; you could well have been born in it, you fit in with it so well. ‘And I don’t deny I’ve been jealous. But, damn it, I’m not a murderer! I’m a scientist! I didn’t get my doctorate by lacking severe self-discipline. I have a tremendous amount of self-control. Too much, in fact. It’s not my nature to kill, and even if it were, I have the strength to repress such an urge.’ Gribardsun waited until he was through. He said, ‘All this talk means nothing.