Firefox YouTube Changes Volume by itself?

Everytime Im on YouTube, if I click to a new video or pause/unpause it, it goes back to middle on the volume. My prefered setting is max, but it chang

Everytime I'm on YouTube, if I click to a new video or pause/unpause it, it goes back to middle on the volume. My prefered setting is max, but it changes by itself. I cleared my cookies, sacrificing my Pokemon Showdown teams on Cookies, but didn't do a thing. I am going crazy with this problem. Any help would be dope.

or:Everytime I'm on YouTube, if I click to a new video or pause/unpause it, it goes back to middle on the volume. My prefered setting is max, but it changes by itself. I cleared my cookies, sacrificing my Pokemon Showdown teams on Cookies, but didn't do a thing. I am going crazy with this problem. Any help would be dope.

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