Strike While the Iron Is Hot

To act at the right moment when circumstances are favorable

Go Bananas

To become very excited, angry, or crazy

Mind-Blowing

Extremely impressive, surprising, or exciting

Storm in a Teacup

A lot of commotion or fuss about a trivial matter

Fit as a Fiddle

To be in very good physical condition

Sky Is the Limit

There is no upper limit to what can be achieved