"Our minds are the key to either pushing our bodies or stopping short," says Giovinazzo. "If we want to increase stamina, we have to be willing to push the envelope. to do that, we need willingness and determination." "There is a time and a place for keeping a steady pace, but if you really want to increase stamina, then increase the intensity," advises Giovinazzo.This small tree native to Brazil is considered an aphrodisiac. Then make sure you’re getting enough of these key nutrients.