A new survey conducted on British couples concerning the secrets to a happy marriage, having separate toilets, two cars and televisions all got the vote.
50 secrets to a happy married life
Even though honesty, trust and a good sense of humour hold the top three rank for the most important factors in a relationship, there are some other elements that are also key to having a long lasting love.
Having regular sex came up at number 20 on the list of 50 marriage tips, from a poll of 2,000 couples. The survey was carried out to mark the launch of a new book, How to Seduce Your Wife (or Anyone Else's).
Other things that feature in the top 50 secrets include getting along with each other's friends and family, not having ex-partners on your Facebook friends list and maintaining separate bank accounts.
Happy couples also revealed that trust, remembering birthdays and anniversaries and saying 'I love you' regularly help to keep a relationship happy and harmonious.
Andy Gibney, author of the book, said: "Trust, compromise and honesty are generally regarded as the most important things in a marriage but for most people, it's not that simple.
"In the modern world, marriages are having to survive against a host of new technology with many couple falling out over what to watch on the TV or one or both of you spending too much time focusing on your computers, tablets or mobile phones.
"Romance is also an important factor, whether this is a surprise gift, a date night or simply some quality time together.
"After being married for a while, it's easy to find you are stuck in a rut and not really paying each other any attention, but hopefully some of these 'secrets' will be helpful."
Read on to find out the 50 secrets to a happy marriage:
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