Genetics. They can be a blessing or a curse and there’s no way out because it’s in one’s blood … literally. You’ve either got mum’s stunning coloured eyes or dealing with dad’s family history of cholesterol. So, what about when it comes to happily ever after? A new international study has found that genetics significantly influence whether you’re going to be celebrating a wedding anniversary or ordering one of those cakes with the groom falling off the tiers. The research, conducted by Professo