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behavior therapy is helpful.There are two commonly used behavioral therapies
that include the 'stop-start' and 'squeeze technique.For this kind of techniques the couple must undergone counseling and training from well trained sex therapists.These therapies demands commitment from the man and his partner.In the stop-start technique; the man stimulating himself to the point just before ejaculation and then stops. After the sensations have fall downed, he starts again. This should be repeated three times. The length of time before each stop gets gradually longer. The squeeze technique involves the partner (or man) using their fingers to squeeze the glans
of the penis to cause the erection (and ejaculation) to subside.
there are some topical agents which can be used for it but they should be taken
under the guidance of doctor.