Dealing with a spouse who is struggling with a substance addiction can be one of the lowest points in a marriage. Individuals become addicted to drugs, alcohol and other substances for a variety of different reasons, including mental health issues and other underlying problems which often leave people feeling tlike they have no other choice but to turn to drugs or alcohol in order to feel better. However, a substance addiction may bring about temporary relief for the user, but in the long term, it is hugely damaging to both the individual’s health and their relationships with others.