Men and women alike will be excused for thinking that there's no rational reason for having sex other than the following reasons - the science bit: reproduction, or the fun bit: because it's er... fun. However, thanks to two researchers at The University of Texas, there are now "real" reasons as to why people get down and dirty and the results are far more complex than idle frolics and the circles of life...
In this recent study, the researchers sieved through some bizarre reasons including: "To be closer to God", "because I have a headache and it works better than an Aspirin" and, on a more disturbing note, "to pass on a sexually transmitted disease".
Once the replies were in and counted, the results were whittled down to 20 different reasons for men and 20 different reasons for women. Take a look at just five of each gender's results...
Men:
Women: