When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14