Hello Friend, Good that you are seeking a help. Your problem are interlinked. Due to your over thinking about love and trust you are experiencing bodily problems like low appetite, general weakness, no sleep etc and mental stress. If you are really interested to come out of this problem , you need to get yourself under control first. Seek some professional counselling help if you can't do it yourself
Next Steps
Suggest you go for counseling locally or you may reach me for online counseling.