My parents might divorce?

Question

they are married form 25 years
what could I do

Answer 1

find out all the good times they had together plan a day for them prepeared by u to replay all the happy times they had it might get them thinking if there doing the right thing,
if they still want to go through with it u have to except that it is there choice no matter how hard it is for u u have to remember it's even harder for them and u have to be there for both of them

Answer 2

Stay open to them, love them, believe them when they tell you it's nothing you did, and grieve for what you feel you have lost. I'm so sorry.