Originally Posted by Jellybeans
I would tell myself not to marry him.
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The OP is written based on emotion. Looking at the same situation from a logical perspective the husband obviously is not her soul-mate otherwise there would be no divorce. Furthermore, why would you tell yourself to go through with a situation that you knew was going to carry enough pain to "feel like it will kill me"?
On the other hand, not advising yourself to do the same thing carries its own risk. You may marry someone who is worse than your current husband.