I'm about to lose my marbles - When your thoughts are going a thousand miles a minute and y

When your thoughts are going a thousand miles a minute and you're too mad to think straight.

My brother just stole my last pizza slice, and I’m about to lose my marbles.

I missed the bus, got stuck in the rain, and now I’m about to lose my marbles.

My teacher called me lazy, and I’m about to lose my marbles.