You burn 26 calories in a one minute kiss.
605
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Wearing red increases attraction.
30
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
40% of people who are rejected in romantic love slip into clinical depression.
72