Why does my cat bite me while I caress it?

<p class=rtejustify>Have you ever been bitten by your beloved cat while you were petting it?</p><p class=rtejustify>It happens much more often than we might think. We may be relaxing on the couch with our cat purring on our lap and enjoying our strokes, when suddenly, without any apparent reason, he turns around and bites our hand with all his strength.</p><p class=rtejustify><strong>Why does he do that?</strong><br />Once, a lady gave me her explanation for it: my cat does it because suddenly he remembers that he hates me to death!