Watch how much fiber and protein are in the bread you're eating. The more, the better, so aim to get at least 5 grams of fiber AND 5 grams of protein per slice. Make sure to check how many slices are in a serving on the bread label, they sometimes try to trick you by making it TWO slices.
Before starting on a weight loss expedition, you need to sit down and analyze the reasons you are looking to lose weight. Don't be afraid to write them out on a piece of paper. Think about the reasons behind you goals, and it will make it easier for you to hit the goals on an long term basis.
So, as you have seen, it is true that weight loss requires research, work, and effort to start seeing the pounds come off. It is also true that in order to see results that you have to keep at it. Keeping the aforementioned tips in mind you are well on your way to being successful with it.