Which excerpt from chapter 3 of The Strange Case of Dr. Jekyll and Mr. Hyde illustrates a character vs. character conflict?

Hosts loved to detain the dry lawyer, when the light-hearted and loose-tongued had already their foot on the threshold; they liked to sit a while in his unobtrusive company.
The large handsome face of Dr. Jekyll grew pale to the very lips, and there came a blackness about his eyes. “I do not care to hear more,” said he. “This is a matter I thought we had agreed to drop.”
“My good Utterson,” said the doctor, “this is very good of you, this is downright good of you, and I cannot find words to thank you in. I believe you fully; I would trust you before any man alive, ay, before myself.”
But I do sincerely take a great, a very great interest in that young man; and if I am taken away, Utterson, I wish you to promise me that you will bear with him and get his rights for him.”