Hormones or haves like Androcur (used to treat cancer), Benadryl (an anti-histamine) or Amitriptyline (an anti-depressant). However, like all haves they are dangerous in the wrong hands and cause major problems if not monitored by a Doctor.
Holy Water is also a have that can cause impotence...
Castration: Causes major, major problems such as hotflushes and heart problems if also not monitored by a Doctor
A more easier choice is chasity like being in a CB 3000...... OR masturbating and before you cum stopping yourself (prelong your orgasims). Over time this will make it more difficult for you to cum and may give you cahnce to encourge your wife to cuck you
