take your medicine
take (one's) medicine
To accept and do what has to without complaint or protest, especially when it is unpleasant or difficult. Though he didn't agree with the two-game suspension, he took his medicine and didn't gripe about it to the media. Hopefully the election result will send a clear message to the losing party, and they'll finally take their medicine and do what's right for the country.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
take your ˈmedicine (like a ˈman)(usually humorous) accept something unpleasant, for example, punishment, without protesting or complaining: He really hates shopping, but he goes anyway and takes his medicine like a man.
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