When studying varicocele and infertility,substantial knowledge have been acquired in many important areas,including prevalence,etiology,and pathophysiology to the point that varicocde is considered as the main cause of primary and secondary infertility in adult men.On the other hand,offering surgical treatment of varicoceles to improve androgen levels (without a focus on improving fertile potential) is quite controversial.In this invited commentary,we will discuss the medical workup of an asymptomatic man desiring vasectomy who was presented with a left grade 3 varicocele and low testosterone levels.