Forget The 7-Year Itch, Watch Out For The 4-Year Itch

We’ve all heard that relationships tend to get stale after 7 years but did you know that 4 years is more likely? Looking at historical data and extrapolating anthropological theory, it appears that marriages tend to hit rough patches at 4 year intervals. Confused? Dr Helen Fisher and our panel of Experts explain how to avoid becoming a statistic.