Rohypnol.

Not unlike an elephant, I never forget. Though intoxication heps just about any medicine down.

Traumatic brain injury.

@rethwyll I was going to say that too, but I didn't want to encourage it.

learn new things to push the old ones out of your brain.  like the time i took that home wine-making course and forgot how to drive.

@Centropomus: all the cool kids are doing....um, something.

@le_sacre: Because you were *drunk*!

What is this "forget" that you speak of?

@rethwyll:  and how!