ps you can tell him this issue is rife in modern society (not a man issue, but an environmental issue) and steadily decreasing levels of male fertility have been observed in the western world over the last 30yrs. The WHO consistently revises and resets the parameters for what constitutes a 'normal' sperm test and what is normal today would, 30 yrs ago, have been considered problematic, do some research on your own to qualify this and look into the success of chinese medicine in treating this kind of pattern.