In her video, Nikki briefly explains the power of neural nostalgia on our adult brains.

“It makes us feel alive again.”

“I am probably my happiest when in the car blasting early 2000s,” one user wrote.

Spotify's "Nostalgia 2000s Mix" playlist screen with user's personalized selection

People even began sharing their go-to nostalgia songs.

Let’s take a moment for “Boom Boom Pow” by the Black Eyed Peas.

Other therapists even weighed in with their recommendations.

Nikki gestures with hand near face, text overlay: therapist discusses neural nostalgia

But that doesn’t necessarily mean we should avoid emotional or sad songs at all costs.

“Some questions I have received are ‘Does listening to sad music just make you sad?’

Then, just pull them up whenever you need that serotonin boost to soothe yourself or find motivation.

The image shows a social media comment by a user, expressing joy about listening to early 2000s music in the car

And if you want to see more content all around mental health, you might follow Nikki onTikTokandInstagram.

Comment exchange discussing reasons for listening to the same music for 15 years

Two users' comments on a social media post discussing a song by Avril Lavigne

Comment exchange on a post discussing emotional responses, one mentioning nostalgia with teenagers and music

Commenter expresses how Black Eyed Peas' song "Boom Boom Pow" deeply resonates with them

Two social media comments; the first shares a therapist's humorous advice to listen to T-Pain, and the second user expressing amusement

Nikki gesturing "OK" sign with subtitle text that reads: "so that is 100% approved do it all the time I'll do it with you"

Nikki in her car putting on sunglasses, reacting to comment about music from early 2000s being therapeutic

Nikki in her car with sunglasses, with caption about how music from teen years is used as a coping skill