Dont preasure yourself to much darling, remember that the easiest way to keep you self healthy is by eating healthy. Dont forget to always eat fruits and vegetables and also do some daily workout, that will help you lose weight.
You need to check with your Dr to rule out any metabolic issues.
If you have done that there are several things you can do.
Make sure you are eating enough good foods to fuel your body. Not eating puts your body into starvation mode and makes it hold on to the calories you eat.
Make sure you eat a balanced diet to include lean protein, fruits, berries and veggies especially green leafy veggies.
Know your serving sizes.
And most important Move Anything you do for exercise will only serve to raise your metabolism and increase weight loss and muscle building.