#7:. Some more than others, it seems
The longest kiss ever recorded was 58 hours, 35 minutes and 58 seconds – nearly two and a half days.
#8:. Our brains know how to find our lovers lips
Sixty-six per cent of people close their eyes during a kiss. Our brains have special neurons that help us to locate each other’s lips in the dark.
#9:. It can stop us falling ill
There is some evidence, from past studies, to suggest that kissing provides us a means of protecting ourselves from certain viruses.