Consistently, there are a few things that spouses frequently cite as their biggest sources of frustration. Most struggle with communication breakdowns, disagreements over money, division of labor, and unmet expectations, especially emotionally. Like many marriages, Susan and I have experienced a few of those issues in our 35 years together. Maybe you've experienced these common irritations, but what about the more subtle things that often go unnoticed or unspoken? Small, frustrating things tend not to stay small in marriage and can disrupt otherwise happy relationships. Even though they seem tiny, they build over time. Even twigs contribute to a fire, and you may have been doing, or not doing, things for years that have been burning up your spouse. We should strive for unity in our marriages, so it's good to think through what habits we have that are quietly hurting our marriages. Have you been noticing your spouse is always frustrated with you? Here are 7 reasons why.<a name="sk...