Im not sure not having stress or dealing with divorce is something you are going to be to avoid unfortunately.
But what you can do is re frame the moment from (look what I have lost) to (this is an opportunity to improve and move forward).
You said yesterday you wont get over this... that is utter nonsense.
You have based your self worth and existance as being a family man and husband - but they are roles - not you. These roles are functional - but in the same way a convenient hiding place for us to shy away from our basic fear of being unloved and alone.
No one will love you like you can love youself.
Go read Maika's thread and his latest posts. Its a long ride buddy, but is 100% necessary.
The breakdown in my marriage was the most important event in my life looking back - and that included times of suicide and depression. Its all part of the process.