Everything from different spending habits and financial goals to one spouse making considerably more money than the other, causing a power struggle can strain a marriage to the breaking point. Also, differences in how much money each partner brings into the marriage can also lead to power plays between a couple. “Money really touches everything. It impacts people’s lives,” said Emmet Burns, brand marketing director for SunTrust. Clearly, money and stress do seem to go hand in hand for many couples. Financial troubles can be categorized as one of the biggest causes of divorce, following infidelity, the number one reason for divorce.