Deborah Duncan, the host of the KHOU-TV weekend program "Great Day Houston," learned a valuable lesson over the weekend.

DO NOT TAUNT THE MONKEY.

While doing a segment with someone from the Houston Zoo, Deborah was handed a grape to feed to the monkey.

Instead of just handing the monkey the grape like she should have done, she tried to play keepsies.

The monkey didn't take kindly to that and let her know it.

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