I Knew It - A phrase made by Reggiecuhh that means you’re so sure of som

A phrase made by Reggiecuhh that means you’re so sure of something no one can mess with you.

I Knew It when I told my friend I was gonna win the game and I did.

I Knew It when I said I could eat 10 burgers and I did.

I Knew It when I told my crush I’d never forget them and I didn’t.