Alright so a little backstory to start off,

I'm a 16 year old american who has lived in france (specifically Paris) for the past two years, I start TRP about a year ago and started adapting it into my personality. Recently however, i've been putting on weight and stopped cutting entirely, I've gotten into pot and smoking cigarettes for about 4 months now. I now weigh around 85kg more or less, I started approval seeking more and more and have been lifting a little bit (a 8kg barbell) but it's not enough. With school I don't have much free time to go exercise and I can't really afford a gym membership. I've been eating copius amounts of carbs and fats since christmas and can't stop. I started masturbating again and even found myself fapping to 4chan threads. I need this to stop, I lack motivation and willpower to make real changes and would like to know how to regain my former self. I put on 15kg in the last 4 months... I have no game and have read No More Mr Nice Guy but I guess I forgot most of it by now. I made a Tinder account today and have gotten a few matches but haven't actually said anything to them. I think i'm scared of interacting with women that aren't already in my circle of friends. School is doing great but besides that i've been in a slump recently and became lazy. Sometimes I fear that if I even made it that far with a girl that I wouldn't be able to get it up after all the desensitinzing porn has done to me. I hate my life and sometimes feel like I might aswell just stop trying alltogether and become a full on beta bux. Please, I need help. If any of you have any advice it would be greatly appreciated. I don't know what to do or how to stop.