Question: how to lose weight when you're over 300 pounds?
Answer: Visit a nutritionist/Log your food. You think you know, but you don't know. ... 
Eat less than you burn… It's a simple premise, but if you can take in less calories than you burn off, you'll lose weight. ... 
Find an exercise you enjoy. ... 
Cook more. ... 
Sleep matters. ... 
Drink less alcohol.