I have premature ejaculations and wanted to know what the causes are?

Prem ejaculation: Most of the time premature ejaculation (pe) is caused by psychological causes. Anxiety raises your adrenaline level and more adrenaline comes with nervousness and leads to this pe cycle. Over time a man can get caught in this self perpetuating cycle and it becomes a habit or like a reflex and occurs automatically with sex. Some have increased sensitivity to the glans penis that can cause pe.