Just repeat "mhmm" & "damn, that's crazy" every now & then. Look her in the eyes here & there too. That way you don't have to pay attention but she'll still think you are. I do it sometimes tbh. When people are so wrapped up in their own rants, they don't even notice you're barely listening. They're just happy being able to talk

How constantly see your roomstes mimebwe all chill in our rooms mostly lol

Tell her you wanna hear the long version of the story.
Ask her to include as much detail as possible.

So you tune out and enjoy your drink?

Point the TV remote at. Her press a button and say the mute button is broken 🤣🤣🤣.

Say, oh. I need to make a phone call.

You need to take long to slurping sips to see how your roommate responds .

Like this

Wow! Isn't it irritating?

That's not ok

She's talking about cigarettes now. 🙂