Hi Joe,
Finasteride must have been prescribed to reduce prostate volume or improve urine flow. If you do not have problems ask your doctor to stop the medication. Finasteride does not reduce testosterone. It inhibits the formation of dihydrotestosterone. In effect it increases testosterone.
You might have to try one of the blue pills or an injection to chase and catch your wife. Cryosurgery might have done a number on the nerves that control erections. Run fast...and good going!
RalphV