Ur case is very much emergency as depression ,anxiety ,mental grief,over weight etc all are present.If mental symptoms are out of control then u must consult psychiatrist and start medication.Also consult psychologist and go for counselling and psychotherapy .It is very much necessary to keep ur condition calm .
Next Steps
U can take -
Kali phos 200X-8 tabs thrice a day for 15 days.
Health Tips
Share ur thoughts with psychologist ,friends ,parents etc.
Avoid too much social media.
Avoid too much use of mobile ,laptop etc.
Try to reduce weight.
Regular exercise.
We can't control everything ,so stop thinking too much.