Trust the science: Coupons increase oxytocin, decrease stress, elevate mood.
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It’s official: coupons are good for us. This was a medical research study into the effects of coupons, study participants were either given or not given surprise online coupons while shopping and were monitored for their health effects.
https://neuroeconomicstudies.org/wp-content/uploads/2017/07/Coupons.pdf
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Free booze is good booze.
MM booze is better.