Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Wearing red increases attraction.
30
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Two in five people in the world marry their first love.
270
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
One in five long-term love relationships began with one or both partners being involved with others.
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