Sorry I would like to help but I need the picture
A descriptive quote is simply a quote that throughly describes and gives details about a subject or in this case a character.
Without more information on your assignment, my best understanding is that your teacher is looking for a quote from whatever literary piece you are reading that best describes each of the characters.
Answer:
He clearly values her. He tells people that because Lady Catherine likes him, others should too because she is of great power and status (uses her name for 'clout').
Explanation: