Expert reveals how to escape the ABC rut in sex: 5 simple ways.

According to The Sun: How long will your sex life last? In all relationships, bursts of passion can fade - especially in long-term ones, but with our differing passions, it can often be hard to determine if there's a serious problem.

Relationship and sex expert Kate Taylor reveals a simple way to determine if fatigue has truly set in - check your 'ABCs'.

'Sexual routine 'ABC' can threaten your relationship and both parties' reluctance to intimacy', she insists.

'ABC' is when couples only meet on anniversaries, birthdays, and Christmas. That is, just four encounters a year. Just one anniversary celebration, birthdays for each of you, and then Christmas'

Research shows that most couples in the UK still have sex once a week, which can make you uneasy if you fall into an 'ABC' spell.

Here, Kate reveals why this happens and five ways to break the spell.

The problem begins

The 'ABC' rut could be renamed the 'If I Must' rut.

This indicates a significant reluctance. It may stem from many places - one or both of you harboring resentment, have lost love, are stressed, have low hormone levels (such as testosterone or estrogen, which are important for passion), are asexual yet sporting... The list goes on.

The main question you should ask yourself is whether you have always been this way? If the 'ABC' rut is new, there is a reason.

If you have never burned with desire, or if you have gradually crossed into 'ABC' over the years, you have most likely just become too comfortable.

1. More dates

Sometimes anniversaries, birthdays, and Christmas are the only times a couple enjoys quality time together.

It's easy to get in the mood when you're at a hotel half-drunk on Baileys, but not so easy on a damp Wednesday in March (unless it's your birthday).

How to fix it: Start going on regular dates, and you will create more opportunities for encounters.

2. Resolve the issue

Most couples have unresolved issues that they have already refused to address.

This creates a quiet life, but also breeds resentment that kills your motivation.

How to fix it: Choose an issue and find a solution. You can jump into bed in pursuit...