40% of people who are rejected in romantic love slip into clinical depression.
72
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The single biggest predictor of love is proximity.
30
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234