Yes diet is the most important thing for weight loss. Sugar and carbs being a HUGE one. I quit drinking soda and just soda alone and I lost around 30 lbs in a couple months without changing anything else. Maker's Mark is 15g of carbs per shot of which is sugar due to the distilling method used. Now imagine drinking one to two bottles a day. The daily allowance for carbs is between 225-325 and each shot is 15g of carbs and a 750mL bottle is a total of 25 shots equaling from each bottle 375g of carbs and a total of 1725 calories from one bottle a day. He has talked about drink 2 bottles a day at one point. Those carbs and calories don't even take in account of the other processed garbage he throws down his gullet. I wouldn't be surprised if he has diabetes and doesn't know it. I look at the gunt and you see poorly healed sores on it, which is a good indicator of diabetes. There is a condition a lot of fat people get due to their body not being able to fight off infections (can't remember the medical term), but it leaves scars like what you see at the bottom of Ralph's gunt and most times it is due to the body not providing enough insulin to fight off the infection like it would with a healthy person.Doesn't the diet play about 70-80% of the role in weight loss? He could probably lose weight faster by doing fasting days and not overeating the next day. If I knew ralph's weight and the percentage of body fat he has, I could measure how long he could last without eating. It's also important to note that ralph's age is going to work against him, as metabolism drops the older you get. Not eating sugar and drinking alcohol is good, but you also need to eat high nutrient foods instead of junk food. Ralph made no mention of that, so I think he will end up snacking on this supposed weight loss journey.
If Ralph really wants to lose weight due to how inactive he is. He needs to go on a sugar free low carb diet. You really only want to pack on carbs if you are hitting the gym hard and looking to build bulk and muscle. Otherwise those carbs become fat cells.