Wearing red increases attraction.
30
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
40% of people who are rejected in romantic love slip into clinical depression.
72
One in five long-term love relationships began with one or both partners being involved with others.
177
Couples' personalities converge over time to make partners more and more similar.
235