When dopamine dips, your unhappy chemicals get your attention. You get that “do something” feeling, and you have to decide what to do. One option is to accept the unhappy chemicals and figure out what’s triggering them. Another option is to quickly distract yourself from them with a behavior you expect to trigger more dopamine.
When you feel wronged by life, you give yourself permission to have another cookie, or another drink, or another pill, or another sulk. After all you’ve been through, why deprive yourself anymore? This is a vicious cycle. You keep feeling wronged in order to enjoy more of your consolation prize.
Blaming others for your unhappiness is a habit that’s hard to give up because it triggers some happy chemicals. You feel important when you battle perceived injustice (serotonin), and you bond with others who feel similarly deprived (oxytocin). You get excited when you seek and find evidence that you have been denied your fair share of happiness (dopamine). You may even trigger endorphins by welcoming physical pain into your life as evidence of your deprivation. You keep building a circuit for seeking happiness by feeling wronged.