Couples' personalities converge over time to make partners more and more similar.
235
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Wearing red increases attraction.
30