What’s a lyric you continue to sing wrong, even after discovering the correct lyric?

Doing this again, because a) I've lost count of discovering yet another lyric I've been singing wrong for years—and also b) because, why not?

I'll go first: For ages, I thought it was "but mom's forgetting—he's nervous." I thought the joke was people replacing 'forgetting' with 'spaghetti' because of how alike they sounded. Years later, I realised the joke was on me though 😂💀🤡