What's the biggest/most expensive thing you've ever broken in anger?

[Danjo]

 Lets see..15k worth of custom fireplace and 25k worth of grand piano via sledgehammer..oh, and supermodel girlfriend
came running up hearing the mayhem,and was summarily backhanded down a spiral staircase..

[FitnessFrenzy]

I once tore apart my photo of Lou Ferrigno

20 dollars I'll never have back  

How can you live with what you've done?

[Automation]

Smashed a snooker cue. That game is so fucking frustrating sometimes.

[Radical Plato]

Becoming angry is like holding a burning coal in your hand waiting to throw it at someone.

Brutal recipe for repression leading to all types of weird behaviour and eventual colossal meltdown.