What does 'I can't stomach this' mean?

[Svitlana_Morokhovych]

English Language Tests, Intermediate level

ESL/EFL Test #721 "Real Life: Using Body Parts as Verbs (1)", question 7

I can't ......... all of the gory details. Please leave out all of the gruesome parts and get to the point.

(a) stomach
(b) foot
(c) arm
(d) neck

English Language Tests, Intermediate level

ESL/EFL Test #721 "Real Life: Using Body Parts as Verbs (1)", answer 7

I can't stomach all of the gory details. Please leave out all of the gruesome parts and get to the point.

Correct answer: (a) stomach

Your answer was: incorrect
I can't arm all of the gory details. Please leave out all of the gruesome parts and get to the point.
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What's the meaning of the above statements?

[Kitosdad]

Hello Svitlana, He is saying that to hear such gory details makes him feel unwell. He is very sensitive to violence and such.
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