Casualty of Financial Crisis: What's the price of being rich?

RIP
http://en.wikipedia.org/wiki/Adolf_Merckle

Taken from:
http://www.time.com/time/business/article/0,8599,1870007,00.html?iid=tsmodule

German billionaire Adolf Merckle has killed himself. "The desperate situation of his companies, caused by the financial crisis, the uncertainties of the last few weeks and his powerlessness to act, broke the passionate family entrepreneur and he took his own life," a family statement said.
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An unassuming lawyer, he was Germany's fifth richest individual and 94th on Forbes' list of the world's richest people, with a net worth estimated at nearly €7 billion ($9.2 billion).
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This is a sad story.
One moment he was one of the richest man in the world.
Next moment, laden with debt, he chose the easy way out.
He left a note behind read "I'm sorry."
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He lived a life that I could never imagine.
He had so much wealth that I could never imagine.

He had so much problems that I could never imagine too.
Anyway, it is a sad sad ending.
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Will Wealth really bring happiness?
Is he really happy with his wealth or worried about losing his wealth?
What is the price of being rich?