Will doing things you don’t want to do increase the size of your aMCC?
Sources:
Yes, regularly engaging in tasks you don't want to do can indeed increase the size and functionality of the anterior mid cingulate cortex (aMCC). explains that deliberately engaging in such "micro sucks"—activities that require significant mental effort and resistance, like doing extra exercise after a workout or resisting the urge to check your phone—can activate and potentially increase the volume of the aMCC 1 2.
Building this type of mental resilience not only boosts tenacity and willpower but also strengthens the neural circuits involved. The key idea is to regularly engage in challenging behaviors to stimulate this area of the brain 3.