It becomes harder only when I rub it on vagina of my wife. Once I did it, ejaculations can't be control by myself and sperm spoil out side. This happens for last one year and away to us from pregnancy of my wife. What do I do doctor? Please Help us.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.