You’ve reached the age where you know how things work. You can hook up a couple of horses to pull a truck through a mud puddle, and you can fix a printing press.
But for your wiener, you need professional help. You need to see a doctor. Because it might be a question of blood flow. So you might need medication to make your wiener work. Because you don’t know how something as complex as the wiener that’s been hanging out with you all your life works.