Read it through once

“I know he has a bad nature,” said Catherine: “he’s your son. But I’m glad I’ve a better, to forgive it; and I know he loves me, and for that reason I love him. Mr. Heathcliff, _you_ have _nobody_ to love you; and, however miserable you make us, we shall still have the revenge of thinking that your cruelty arises from your greater misery. You _are_ miserable, are you not? Lonely, like the devil, and envious like him? _Nobody_ loves you—_nobody_ will cry for you when you die! I wouldn’t be you!”