Doctor firstly don't worry as this anxiety might reduce all the responses of your activity, increase cortisol hamper in other hormonal functioning in your body. If you have family H/O obesity it might be a bit more difficult but nonetheless not impossible.
Next Steps
What to do?
1. Fix a routine
2. Do meditation or breathing exercises or mindfulness for at least 15-30 min (Even 15 mins at a FIXED time every day is better than 1 hr irregularly) BUT ( doing IRREGULARLY is better than not doing at all)
3. Track your calories for 7 days and balance with your calorie need and let's see what's the real picture.
4. Go for a walk if possible 20-30 mins and walk fast. N.B. DON'T run just walk fast.
5. Get an USG pelvis done...might be some hidden PCOS (PMOS)
6. Supplement some fruit or greens in your diet.
7. Have a heavier breakfast and lighter dinner.
Health Tips
Multiple reasons might result in your current physical and mental condition and one thing that we know for sure is that EVERYTHING IS CONNECTED. We attack with multiple weapons as I mentioned above. Any more help if you need feel free to contact me or any physician. Will feel blessed if i can get a colleague's life better. Thank you.