continuous persistent headache for the last 30 years in a male patient. All reports including MRI, CECT brain, EEG , ECG , CxR (PA), U/S Abdomen + RU, XR Cx Spine, EYE Examination , ENT checkup, Neurological check & Blood Tests normal except high Triglyceride level. Psychiatry counselling taken. No relief. Many times headache better for some hours & re-occurs. Any advise please?