9 Science Facts That Will Ruin Your Day

70% of the couples surveyed reported a decline in their overall happiness levels following the birth of their first child. On average, new parents experienced a 1.4 unit "happiness drop", compared to the 0.6 drop after losing a job and 1 unit drop experienced after the death of a partner. Luckily for the human race, you've been honed by millions of evolution to continue to reproduce anyway, even if it does ruin your life. Happy breeding.