"But it is frenzy to repeat these thoughts to you: only it will let you know why, with a reluctance to be always alone, his society is no benefit; rather an aggravation of the constant torment I suffer: and it partly contributes to render me regardless how he and his cousin go on together. I can give them no attention any more."
"But what do you mean by a _change_, Mr. Heathcliff?" I said, alarmed at his manner: though he was neither in danger of losing his senses, nor dying, according to my judgment: he was quite strong and healthy; and, as to his reason, from childhood he had a delight in dwelling on dark things, and entertaining odd fancies. He might have had a monomania on the subject of his departed idol; but on every other point his wits were as sound as mine.
"I shall not know that till it comes," he said; "I'm only half conscious of it now."
"You have no feeling of illness, have you?" I asked.
"No, Nelly, I have not," he answered.

'But it is frenzy to repeat these thoughts to you: only it will explain why his society is a torment to me. I do not care how he and his cousin go on together. I can give them no attention any more.'
'But what do you mean by a change, Mr. Heathcliff?' I said, alarmed at his manner, although I did not think he was in danger of losing his senses, nor of dying. He was quite strong and healthy; and, as to his reason, from childhood he had a delight in dwelling on dark things. He might have been obsessed with the dead Catherine; but on every other point his wits were as sound as mine.
'I shall not know that till it comes,' he said; 'I'm only half conscious of it now.'
'Do you feel ill?' I asked.
'No, Nelly.'
