A team from Oxford University has come to the same conclusion as Instyle Fitness!

"Exercising together appears to increase the level of the feel-good endorphin hormones naturally released during physical exertion, a study suggests.

A team from Oxford University carried out tests on 12 rowers after a vigorous workout in a virtual boat.

Those who trained alone withstood less pain - a key measure of endorphins - than those who exercised together. "

 Read the full report on the BBC website