Will a sex ban boost your love life to whether bigger really is better.... Sun sexpert separates the facts from fiction

GROWING up, our ideas about sex often come from a confusing mix of unrealistic movies and sex education classes at school.

No wonder much of what we know is just a blend of half-truths and myths.

This week, social psychologist Dr Justin Lehmiller debunked one major belief that banning footballers and Olympic athletes from having sex before big events improves their performance . . . in their chosen sport.

Dr Lehmiller told a BBC podcast: “It’s a myth. A lot of it resides in superstition.”

Remember England manager Fabio Capello’s 2010 World Cup sex ban for players?

Or those “anti-sex” beds made of flimsy cardboard at this year’s Olympic Village in Paris?

It is all based on outdated beliefs rather than fact.

Sex is often surrounded by myths that can lead to misunderstandings, misi