In 2009, the 'New York Times' ran an analysis on the cost of being a LGBT couple trying to live as a married couple but without the same protections. Over a lifetime, they estimated a couple would spend as much as $467,562 more, and as little as $41,196, with costs running lower the higher your income.

All married couples should learn the art of battle as they should learn the art of making love. Good battle is objective and honest - never vicious or cruel. Good battle is healthy and constructive, and brings to a marriage the principles of equal partnership.

Dining with a married couple can be uncomfortable.

I would probably have more in common with a whale than with a bourgeois married couple employed at worthy institutions that I would wipe from the face of the earth if it was given to me to do so.

I am very proud to have kept my commitment to introduce the married couples' tax allowance. I think it will prove very popular. I think it's absolutely right that we recognise marriage in the tax system properly, and I would like to see that expanded.

How many married couples do you know who met over accounting books in a Starbucks?

Social Security makes up a much larger share of total retirement income for unmarried women and minorities than it does for married couples, unmarried men and whites.

A Sunday morning spent reading the paper together, maybe drinking some mimosas, alone, and talking until noon. That would be pretty amazing. Married couples with kids will understand.

I took a job as a reporter in India, where I lived with several married couples, which got me interested in why some marriages work and others fail. Back home, many women of my generation were also putting off marriage or not getting married at all, which only led me to more questions.