That's why advertising executives Sali Horsey and Zoe Nash came up with the genius idea that gives women discount to everything from cinema tickets to public transport.
You know, so we can pay our way along with male colleagues and friends.
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"If students get a discount for having less money, then women should get a discount for earning less!" Horsey told HuffPost UK Lifestyle.
And we're inclined to agree.
Sadly, despite being the best invention since sliced bread, the Women's Discount Card does not exist... yet.
"The idea is to emphasise that, of course, we don't get a discount for earning less, so we should all be aiming for equal pay," Horsey explains.
Here are some over-the-top testimonials from the site, which we love.
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11 Celebrity Quotes For Equal Pay Day
Beyoncé(01 of11)
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"We need to stop buying into the myth about gender equality. It isn’t a reality yet. Today, women make up half of the U.S. workforce, but the average working woman earns only 77 percent of what the average working man makes. But unless women and men both say this is unacceptable, things will not change."Men have to demand that their wives, daughters, mothers, and sisters earn more—commensurate with their qualifications and not their gender. Equality will be achieved when men and women are granted equal pay and equal respect." (credit:James Devaney via Getty Images)
Sheryl Sandberg(02 of11)
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"It's time to cheer on girls and women who want to sit at the table." (credit:Bloomberg via Getty Images)
Caitlin Moran(03 of11)
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"I want a zero tolerance policy on all the patriarchal bullshit." (credit:Stuart C. Wilson via Getty Images)
Hillary Clinton(04 of11)
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"Equal pay is not yet equal. A woman makes 77 cents on a dollar and women of color make 67 cents... We feel so passionately about this because we are not only running for office, but we each, in our own way, have lived it. We have seen it. We have understood the pain and the injustice that has come because of race, because of gender. And it's imperative that... we make it very clear that each of us will address these issues." (credit:Bloomberg via Getty Images)
Barack Obama(05 of11)
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"Women should earn equal pay for equal work." (credit:SAUL LOEB via Getty Images)
Gloria Steinem(06 of11)
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"If you say, I'm for equal pay, that's a reform. But if you say. I'm a feminist, that's a transformation of society." (credit:Jemal Countess via Getty Images)
Lena Dunham(07 of11)
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"So many women have come to this idea of feminism being anti-male and not able to connect with the opposite sex – but what feminism is about is equality and human rights." (credit:Stuart C. Wilson via Getty Images)
Janet Street-Porter(08 of11)
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"Far too many women are hesitant, and remain trapped in jobs for which they are over-qualified or paid beneath their worth." (credit:Ben Pruchnie via Getty Images)
Kerry Washington(09 of11)
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"Today there are people trying to take away rights that our mothers, grandmothers and great-grandmothers fought for: our right to vote, our right to choose, affordable quality education, equal pay, access to health care. We, the people, can't let that happen." (credit:Frazer Harrison via Getty Images)
Emma Watson(10 of11)
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"The reality is that if we do nothing it will take 75 years, or for me to be nearly a hundred before women can expect to be paid the same as men for the same work." (credit:Frazer Harrison/BAFTA LA via Getty Images)
Daniel Craig(11 of11)
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"A man is still likely to earn more money than a woman, even one doing the same job. You have a far better chance of entering political office or becoming a company director… Women are responsible for two thirds of the work done worldwide, yet earn only 10% of the total income and own 1% of the property… So, are we equals? Until the answer is yes, we must never stop asking.” (credit:Stephen Lovekin via Getty Images)