Filling up your positivity gas tank is a term that can be used to help convey a similar idea as when one fills up their actual gas tank in their car. When you know you will need to drive your vehicle, and it needs to get you places reliably, and the gas tank is running low, you ensure that you stop and fill up the tank so that your car may perform as you need it to when you need it to. This metaphor is fitting for how our tolerance works in our daily life. Many people who suffer from common mental health challenges struggle with a thought distortion referred to as “filtering out the positive .”