Death and taxes will get you

... the death of the first spouse, the surviving spouse will lose a Social Security benefit, a possible reduction in a pension, and likely an increase in tax brackets when going from joint to an individual filed return. 80% of all men die married, while ...

http://www.marketwatch.com/story/death-taxes-planning-for-the-unavoidable-2013-04-18?link=mw_home_kiosk