I hear this phrase a lot in pill spaces...

I'm strong and independent.

I make my own money.

I pay my own bills.

Drive my own car.

Etc.

https://www.tiktok.com/t/ZTNBeUtG2/ This is an example TikTok of someone sitting in a parked car with similar captions.

My question - couldn't you just say, "I'm a functioning adult"? Or is there something different being conveyed here?