One in five long-term love relationships began with one or both partners being involved with others.
177
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Couples' personalities converge over time to make partners more and more similar.
235
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The average person will go on a date at least 100 times before they finally marry.
33