Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
When dragonflies mate, their tails form a love heart.
22
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81