Juggle

How many balls can you juggle
He once said to me
I think on any given day
That number would be three

Three is pretty easy
To keep up in the air
To rotate smooth and quickly
Without taking much care

And I maybe might be able
To manage just one more
To not upset the balance
The number could be four

Yes, I think four is the number
That won’t upset the cart
Four is just as easy
At least I think so on my part