He still took refuge there in summer, but when mattie came to live at the farm he had to give her his stove,
and consequently the room was uninhabitable for several months of the year.

what does the underlined part of the sentence imply about ethan's reasons for spending time in his study?

ethan is uncertain about his future life with zeena.

ethan is uncomfortable around his wife zeena.

ethan anticipates spending time with mattie.

ethan is happy to give up comforts for mattie.