'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.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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When dragonflies mate, their tails form a love heart.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Raj from the Big Bang Theory is married to Miss India.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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