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The robber $took\, to\, his\, heels$ when the police arrived.

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Do not trust a man who $blows \, his \, own \, trumpet$.

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Companies producing goods $play\, to\, the\, gallery$ to boost their sales.

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The popularity of the yesterday's superstar is $on\, the\, wane$.

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It is time that professors came down from their $ivory\, towers$ and studied the real needs of the students.

Choose the correct meaning of the idiom/phrase: 'All in all'.