Cricket,
Most of us here had your symptoms or similar. Step by step, we kept at it. Now many of us have been eating this way for several years. As a group, we are feeling much better, more energetic, happier, taking less medications, if any at all, and lots of other good things. Each person needs to deal with this way of eating according to their circumstances, age and health history.
Reading Wheat Belly is a great start! Real Estate School is learning about a lot of technical, legal and financial items as well as the particular laws in your state. Foggy brained thinking is not an asset! You have everything to gain and nothing to lose by adopting this way of eating. Many people report that they no longer feel foggy brained and lethargic when they stop eating grains and then sugar.