I shit you not - You say it when you’re telling the truth about something so

You say it when you’re telling the truth about something so wild it should be in a movie and they should give you an Oscar.

I shit you not, my cat started a band and it’s called The Fishy Felines.

I shit you not, my brother got a pet robot and it’s a hype man.

I shit you not, my goldfish took over my mom’s phone.