im 21 years old, 5'4 an almost 180 its the heaviest Ive ever been, last year i lost 33 pounds in 3 months on a low carb diet an gained it all back an more within a year so no more of that. i just moved out on my own a few months ago i leave for work at 7am an get home at 7pm. Im so tired when i get in from work i cant exercise (i also love to eat). what else can i do???...............................also what do you think about fasting?