Substitute water for soda, baked chicken for fried chicken, sub sandwiches for pizza, etc. Instead, fuel the body every 2 to 3 hours with small meals. This is to help fill the stomach and give you a full feeling. No weight loss tips will work if you don't give them a chance. It may take a while to see results.
Consistency is the key to effectiveness.
For example, if you're losing bodyfat and bodyweight but gaining muscle, the scale won't necessarily reflect the difference between the two. Instead, monitor the inches you lose.