It may come as a surprise to many people, but the most desirable length for sex is just 10 minutes, a survey of has revealed.

A survey of 50 members of the Society for Sex Therapy and Research, who counsel and treat couples with sexual problems, said that between one and two minutes was too short, three to seven minutes was acceptable, and anything over 13 minutes was too long.u00a0
The added that sex lasting between seven and 13 minutes was 'desirable'.