You're doing ok.

Follow the advice, there are no guarantees.

The more you learn and learn quickly the better it is going to be for you.

Everyday have a beginners mind and yes you're going to look back and go oh man, we all do.

But see the quicker you listen to those before you the better.

It isn't about saving a marriage, it's about saving you and maybe having an opportunity to renew a marriage.

Keep quiet read other threads and those resources.