A 21-year-old woman comes to the emergency depament with complaints of 'constricting pain in chest' and difficulty in breathing. The patient is sure that 'she is having a hea attack' . She has three similar episodes in the past one month. The past medical history is unremarkable, there is family history of myocardial infarction in father who died of it at the age of 47. The ECG shows sinus tachycardia, the cardiac enzymes and urine drug screen came out to be normal. What is the next best step in the management of this patient?