thrive on (something)
1. To flourish or grow luxuriantly by feeding or nourishing on something. The predators introduced to the ecosystem by explorers thrived on the multiple species that had not adapted to their presence. This flower thrives on sunshine, so be sure to have it in direct light as often as you can.
2. To reach one's greatest potential for success when exposed to or involved in something. She has always thrived on intense pressure in her studies, so attending Yale for law school seemed like the natural choice. Despite their willfulness, children actually thrive on rule, structure, and discipline.