If you are a parent who struggles with addiction to drugs or alcohol, your parenting has likely been adversely affected by your substance abuse. In fact, uncontrolled addiction is one of the primary reasons kids get taken from the custody of their parents.
You don't need a "reason" to divorce per se. You or your soon-to-be ex-spouse simply needs to want to get a divorce. That being said, there are many people who make the decision to divorce after years of dealing with the following less-than-comfortable symptoms of a failing and toxic marriage.