When a spouse blindsides you with drug addiction, can the marriage recover?

Husband of nearly 9 yrs blindsided me at the start of 2016 with substance abuse, mostly cocaine. Im completely and utterly against it in general, but mostly for the sake of our 2 small children.

Ive tried to help him and encourage him to get help all year. He is still using and showing no signs of quitting. But he wants to "work it out", while I'm calling divorce attorneys.

Do marriages usually over come an obstacle such as this?

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