One of the hardest parts about trying to lose weight is breaking your daily habits. Without noticing it, you might eat a bag of chips with a little snack cake everyday with your lunch. It is normal. You have been doing it since your mom packed your brown lunch bag for school. That routine is an unhealthy one to continue. The best way to lose weight fast is by breaking your bad habits and switching them to good ones.
The only way to break a bad habit is by knowing it exists. Write down every single thing you eat right before you go to bed for a week. After a week, you can see what you eat daily on a consistent basis. If you have more processed foods than fresh vegetables and fruits, that needs to change. Replace the junk food with natural food and by breaking your bad habits and substituting them with good ones, you will be on your way to that new body.