brokenheart solution on psychologi spiritual

Brokenheart - I think no person that never find brokenheart at his life. you know we live at social environment that one people interactive to another. intentionally or unintentionally usually occur the events that led to brokenheart. so it is not always caused by our partner, it could be from our close friends, parents, until someone who had just met at a mosque or a trip. if you already have brokenheart, then what should be done?