Quote by Kurt Vonnegut
What made marriage so difficult back then was yet again that instigator of so many other sorts of heartbreak: the oversize brain.
Summary
This quote suggests that marriage was particularly challenging in the past due to the influence of one's intellect and overthinking. The "oversize brain" refers to the tendency of individuals to overanalyze and mull over issues, which could lead to conflicts and heartbreak within marriages. It implies that the complexities and complications that arise from excessive thinking were factors that made marriage difficult during that time.