The most common lie is 'I'm fine'

People who spend more time in the sun are likely to be happier and happy people are more likely to fall in love because their happiness is infectious.

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Most people text faster when its someone they like.

When flirting the average amount of glances to 'send a signal' is 3.

We are most creative at night and least creative in the afternoons.

People are more likely to return a lost wallet if there is a baby picture found inside of it.

'Girl talk' helps women to form closer bonds but also increases depression and anxiety.

Children aged between 6 and 12 are more likely to wake up hearing their mother's voice calling their name than hearing the sound of a home smoke alarm.

Emotional pain is remembered more than physical pain and has more effect on your behaviour.

London taxi drivers, who have to remember every street in London, have an enlarged hippocampus suggesting that this area grows as you memorize more information.

The smarter the person is, the faster he thinks, and the sloppier his handwriting is.

People who have a strong sense of guilt are better at understanding other people's thoughts and feelings.

Men are not funnier than women: they just make more jokes, not caring whether other people like their humor or not.

If you can't stop your stream of thoughts at night, get up and write them down. This will set your mind at ease so you can sleep.

Good morning and good night text messages activate the part of the brain responsible for happiness.

When two persons talk to each other and one of them turns their feet slightly away or repeatedly moves one foot in an outward direction, this is a strong sign of disagreement, and they want to leave.

Marrying your best friend eliminates the risk of divorce by over 70%, and this marriage is more likely to last a lifetime.

Intelligent people tend to have less friends than the average person. The smarter the person is, the more selective they become.

People who try to keep everyone happy often end up feeling the loneliest.

Shy people talk little about themselves, but they do this in a way that makes other people feel that they know them very well.

Asking questions if the best way to win an argument 

Crying reduces stress

Sarcasm creates creativity 

Writing down your emotions helps you process them

Regularly using two languages helps prevent Alzheimer's disease

Addressing people by their name establishes trust 

YOU CAN'T MULTITASK 

There's a disease called fatal familial insomnia. It's hereditary and people who suffer from it can, suddenly, no longer fall asleep. They typically die between 7 and 24 months after the onset of the disorder.

Optimism can be learned. 

Anxiety and depression can be lowered by singing. 

People tend to change their voice when in the presence of somebody they like. 

Seeing a picture of the one you love can lower stress levels, pain levels, and help you heal faster if you are injured or sick.

20 second hug releases chemicals in the body that help you trust the one you're hugging.

The brain feels rejection like physical pain.