I’m a sexual health expert… and here’s what science has discovered about how long men REALLY last in bed

It’s so often the subject of boasts… or cruel jokes: how long a man ‘lasts’ in bed.   If it’s all over to quickly, the other party can end up dissatisfied. But equally, going on for too long can become something of a chore.  To try to end the debate on just what IS the normal…