"Good Heaven!" said Scrooge, clasping his hands together, as he looked about him. "I was bred in this place. I was a boy here!"
The Spirit gazed upon him mildly. Its gentle touch, though it had been light and instantaneous, appeared still present to the old man's sense of feeling. He was conscious of a thousand odours floating in the air, each one connected with a thousand thoughts, and hopes, and joys, and cares long, long, forgotten!
"Your lip is trembling," said the Ghost. "And what is that upon your cheek?"
Scrooge muttered, with an unusual catching in his voice, that it was a pimple; and begged the Ghost to lead him where he would.
"You recollect the way?" inquired the Spirit.
"Remember it!" cried Scrooge with fervour; "I could walk it blindfold."
"Strange to have forgotten it for so many years!" observed the Ghost. "Let us go on."
They walked along the road, Scrooge recognising every gate, and post, and tree [...] (2.41-47)
Check out how Scrooge's senses are returning to him here in his childhood home—the "gentle touch" of the ghost reveals "odours" floating in the air and the sight of "every gate, post, and tree." And then in turn, these senses reveal the kinds of emotional connections that Scrooge has walled himself off from: "hopes, and joys, and cares". Why do you think Scrooge lies about the tear on his cheek?