The Internal Revenue Service does not determine your marital status: that is determined by state law.

FORBES: Ask the taxgirl: Marital Status and the Earned Income Tax Credit

If you educate yourself now, which you should do regardless of your marital status, you are guaranteed to survive the difficulties of divorce.

FORBES: The Six Personal Traits That Help Women Successfully Survive Divorce

The second line is your marital status.

CNN: Clark unveils tax plan

What is your marital status?

CNN: AllPolitics - A CNN/USA Today/Gallup Poll - April 9-10, 1996

Many factors contribute to a stable marriage, including the marital status of your spouse's parents (folks with divorced parents are significantly more likely to get divorced themselves), age at first marriage, race, religious beliefs and socio-economic status.

FORBES: Careers And Marriage