Parents’ divorce distresses grown daughter

DEAR HARRIETTE: My girlfriend's parents are getting a divorce after 25 years of marriage, and she's taking it pretty hard. To be completely honest, I didn't really think it would be a big deal for her. She's always told me that her parents seem unhappy and that she would not like to be in a marriage like theirs.

We are both in our 20s. She is in college but lives at home during breaks.

My parents go…