For some lottery winners landing the jackpot was a dream come true but others have found that money truly can't buy you happiness.
Colin and Chris Weir scooped Europe's biggest-ever lotto jackpot when they won £161million in 2011.
The bighearted Scottish couple, of Largs, Ayrshire, immediately spent £5million setting up The Weir Charitable Trust.
They are believed to have ploughed even more money in the project, which allows individuals and charities to apply for grants.
In 2014 a woman who won £27million on the Euromillions promised to give away £26million of the windfall.
Margaret Loughrey, 48, of Strabane, Northern Ireland, announced plans to keep just £1m of the jackpot.
Read more:£27m Euromillions lottery winner gives away half of jackpot
She was unemployed and bought her winning ticket on the way home from the Job Centre.
Nigel and Sharon Mather, of Sale, Manchester, scooped £12.4 million on a lottery draw in 2010.
Read more:Lottery winners already knew there’s some things money just couldn’t buy
However, the win was tinged with sadness and came just a few years after the death of their niece Shadia, 18.
They donated some of their jackpot to the Francis House Hospice, which helped the teenager before she died of cancer.
Read more:Lottery winner Gillian Bayford engaged to car salesman
Adrian and Gillian Bayford won a EuroMillions jackpot of more than £148.6 million in August 2012.
But just 15 months after the win the pair, of Haverhill, Suffolk, had split up and they now have new partners.
Adrian also faced legal action from a landscape gardener who claimed he attacked him.
Read more:'Lotto lout' who blew jackpot winnings tells £33m couple to emigrate
Michael Carroll, was just 19 when he scooped more than £9 million in 2002.
The former binman gave £4m to friends and family and bought a mansion in Swaffham, Norfolk.
But he squandered the rest of his winnings on drugs, drink and gambling.
He had two spells in prison was declared bankrupt in 2010.
Mark Gardiner, who won a half share of £22.6 million in 1995, claims landing the jackpot ruined his life.
The former glazier, of Hastings, Sussex, has endured three failed marriages and says he was betrayed by his own mother following the win.
He also ended up falling out with some of his friends, including one who he bought a house, and faced several court claims for a share of the cash.
Mark said: "Whatever your problems, money magnifies them."
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A scientific study has confirmed something many of us hoped wasn't true -- that men feel threatened by their female partners' success.
Psychologists Kate Ratliff from the University of Florida and Shigehiro Oishi from the University of Virginia conducted five different experiments with 896 participants overall to see how the men in heterosexual relationships were affected by their female partner's successes. The results are detailed in a paper published in the August 2013 issue of the Journal of Personality and Social Psychology -- and it's not pretty.
In one of the experiments, researchers asked 32 different couples to take a test that supposedly measured their intelligence. The tests were not actually graded, but each participant was told that their partner scored in either the top 12 percent or bottom 12 percent of all university students. Men whose partners allegedly scored in the top 12 percent scored lower on an implicit self-esteem test than those with partners who allegedly scored in the bottom 12 percent. In other words, when men's female partners were shown to have high intelligence, the men felt worse about themselves.
For the final two experiments, researchers recruited 657 participants to take an online test. The 284 male participants were asked to recall a time when their partner was successful in a specific area, for example intellectually or socially. They then took an implicit self-esteem test. The results showed that regardless or the type of success a woman had, their male partners felt bad after thinking about said accomplishments. This was especially true when their partner had succeeded in an area where the respondent had failed.
"It makes sense that a man might feel threatened if his girlfriend outperforms him in something they're doing together, such as trying to lose weight," Ratliff said in a press release. "But this research found evidence that men automatically interpret a partner's success as their own failure, even when they're not in direct competition."
According to Men's Health, this insecurity stems from the fact that "males are more likely to interpret 'my partner is successful' as 'my partner is more successful than me.'" Laura Tedesco suggests that men respond to news of their girlfriend or wife's success with a good attitude instead of seeing it as an affront to their own accomplishments. "Go ahead, bask in your own private victory," wrote Tedesco. "You’ve managed to snag a driven, capable woman. We call that success."