Crises don't usually discriminate because they can attack anyone, anytime. Some of the common reasons why people find themselves in a fix are, career situations, the loss of a loved one, health worries and sometimes it can come due to general changes like the infamous midlife crisis.
When you're going through it everything feels dull and at that moment, you might think that there is no hope. You need someone to help you overcome and your spouse is your right-hand man.