Sex is everywhere. It’s on the telly, it’s in our literature, it's on the walls of our art galleries and it's on our brains for a large part of each day. If we’re not having it, we’re thinking about how we can get it and if we are having it we are wondering if we are having enough of it.

Sex is everywhere. Itu2019s on the telly, itu2019s in our literature, it's on the walls of our art galleries and it's on our brains for a large part of each day. If weu2019re not having it, weu2019re thinking about how we can get it and if we are having it we are wondering if we are having enough of it.

Finally science has the answer: this is how much sex you really need to have a happy relationship

"People think that more money and more sex equal more happiness, but this is only true up to a point"