. Study more, sleep more, stop gaming cold turkey man, SPORTS go play football or something doing drills with your team until you all puke creates a bond between you guys stronger than diamond, rugby in High School was really really tough i can't even describe to you how many injuries i got but it was worth it it was one of my main drives back then, also if you wanna lose weight you gotta do cardio and change your eating habits to something healthy and sustainable (diets don't work you need to change how you eat, or you can just fast a few days a week) drink more water and get more salt in, everyone can be a king, a dedicated and dumb worker is worth more than a lethargic genius worker.