Everybody knows my name now

But somethin' 'bout it still feels strange

Like lookin' in a mirror, tryna steady yourself

And seein' somebody else

And everything is not the same now

It feels like all our lives have changed

Maybe when I'm older, it'll all calm down

But it's killin' me now

What if you had it all

But nobody to call?

Maybe then, you'd know me

'Cause I've had everything

But no one's listening

And that's just fuckin' lonely

I'm so lonely

Lonely

Everybody knows my past now

Like my house was always made of glass

And maybe that's the price you pay

For the money and fame at an early age

And everybody saw me sick

And it felt like no one gave a shit

They criticized the things I did

As an idiot kid

What if you had it all

But nobody to call?

Maybe then, you'd know me

'Cause I've had everything

But no one's listening

And that's just fuckin' lonely

I'm so lonely

Lonely

I'm so lonely

Lonely

(Adapted from https://www.lyricfind.com/)

The underlined expression “made of glass”, in the text, means that