The Question and Answer section for A Separate Peace is a great resource to ask questions, find answers, and discuss the novel.
Gene's emotions are mixed...... he is filled with a sense of nostalgia, as well as having to cope with the not so happy memories of his past there.
From the text, we can infer that he was placating Finny, going along with him because there was nothing else to do but agree.
“I think I’d better get to the station. I’m already a day late at Devon.”
“You aren’t going to start living by the...
Gene has mixed feelings about telling Finny the truth, but unfotunately, when he finally decides to tell him the doctor comes back in. Gene has no further interaction with Finny before he is sent home to recuperate.