Jude the Obscure Marriage Quotes

How we cite our quotes: (Part.Chapter.Paragraph)

Quote #10

'I was, and am, the most old-fashioned man in the world on the question of marriage—in fact I had never thought critically about its ethics at all.' (4.4.90)

Even an old-fashioned dude and traditional thinker when it comes to marriage like Phillotson is able to see that Sue should have the right to leave if she really, really wants to. Hardy spends a lot of time with Phillotson on this subject even though it doesn't necessarily drive the plot forward. Why do you think Hardy does that?