Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Historically, sweat has been an active ingredient in perfume and love potions.
309
One in five long-term love relationships began with one or both partners being involved with others.
177
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Couples' personalities converge over time to make partners more and more similar.
235
