People say love is blind, but research says your age gap can determine the longevity of your relationship.

“The heart wants what to heart wants” and “age is just a number” are well-versed cliché’s - and you just can’t help who you fall head over heels for.

After analysing 3,000 people, it found that couples with a five-year age gap are 18 per cent more likely to split up than those of the same age.

Interestingly, that figure rose to 39 per cent for couples with a 10-year age gap and a shocking 95 per cent for those with a 20-year age gao. Contrary to popular belief, researchers believe that the sweet spot lies in just a one-year gap between spouses who have a much smaller chance of separation at just 3 per cent.

With an age gap of 25 years, Macron, recently spoke out about the international obsession with the age difference between himself and his partner.

“If I was 20 years older than my wife, nobody would think for a single second that we couldn’t be legitimately together,“ he told Le Parisien.

Age is the vehicle by which we experience common milestones in life.

These milestones give us the ability to relate to one another."The best thing about the age difference being so dramatic is that we both teach each other so many things about our generations," she says.Ted is a big fan of old-fashioned chivalry, making sure to open doors for her, pulling out her chair and bringing her little gifts. I always feel like a lady because he always treats me like one," she says.There is a reason that most couples today do not have a significant age difference. I found that with younger women, I felt attracted but bored.Consider that over the last one hundred years, the average age difference between married couples is 3.5 years. With older women it was just the opposite — I was interested but did not feel attracted to them.In August 2010, Michael Dunn of the University of Wales Institute, Cardiff completed and released the results of a study on age disparity in dating.