Menu buttons grey - first time only

See attached (flow)

I am using a trigger to activate the 3 menu buttons when "media (sound) completes". This works.

But when the learner returns to the main menu the second time, they don't need to listen to the instructions again. so I want the buttons to be active immediately, and the media (sound) to go away.

But apparently my variable "media completes" is getting reset, when I come back to the slide the second time. In other words, the slide does not remember that it already "completed" once.

How do I...

1) Turn off the sound the second time the slide is visited?

2) Activate the menu buttons immediately the second time the slide is visited?

Thx!

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