Thank you for asking. I can understand the distress you are through. Nocturnal discharge, whitish discharge in Urine, early ejaculation m, etc all are presention of premature ejaculation problem. Multiple factors such as stress anxiety, lifestyle associated risk factors, etc needs to be explored in details. These may have an important implications on one's sex life. A detailed information regarding these is needed. If needed suitable medication and instructions can help you overcome this problem.
Next Steps
I suggest, you must consult with a sexologist. For more information regarding this problem, you can also post a direct query here on practo.
Health Tips
It is treatable.