What can i do to lose fifty pounds in a safe way?

Rigid: And absolute cold turkey on sweets, pop, diet drinks, desserts, cookies, candy, alcohol, fruit juices. Eat a lot of green leafy vegetables and fresh fruit (that is where you get the sugar but even sweet fruit does not relieve the craving for sweets). That is what we all should be eating and leave all the processed man made food alone. Also exercise daily even though it is only walking.

Slowly: at healthfully. Try to eat at least 5 servings of vegetables & 4 of fruit per day. Increase nutritional fiber. Avoid refined sugar & junk carbohydrates. Avoid alcohol, sweetened juices, soda & caffeinated beverages. Aim for 7.5 to 8 hrs of sleep / night. Hydrate w at least 64 oz of water / day. Calories burned must > calories consumed. Do both cardio & weight training.