Hello Friend, Good that you are seeking a help here. All your symptoms are related to anxiety. You must be thinking too much about some bothering issues  always. In that process, your mind is locked or focused on one particular thought, so you tend to ignore other things around you. Similar, such imbalance at mind also affect body functioning as they are interlinked. Thats why you may be  experiencing body pain, nervousness, thyroid problems, digestion, sleeplessness etc Don't worry. This is like any other physical illness and can be treated through psychology counseling and few lifestyle routines change. Reach out to me directly or online for further evaluation.

There could be various reasons for your lack of clarity.... It us wise to consult a psychologist in your city personally.