What should I do if my husband is impotent?

The doctor received encouraging results from the study of the new drug on impotent mice.

Mary was still a virgin a year after getting married, because her husband was impotent.

I call upon the scientific community in our country, those who gave us nuclear weapons, to turn their great talents now to the cause of mankind and world peace: to give us the means of rendering these nuclear weapons impotent and obsolete.

Sami felt so impotent.

I've become impotent.

The stroke rendered Sami impotent.

Your army is impotent against mine!!" he laughed.

My husband is impotent. What should I do?