she wanted to quit her job but her mother told her not to go off half-cocked.
Examples of go off half-cocked
go off half-cocked
The US government cannot go off half cocked every time an atrocity is committed.
From the economist.com
This is not the time to go off half-cocked about anything.
From the suntimes.com
Sorry to go off half-cocked like that.
From the en.wikipedia.org
It's easy to go off half-cocked.
From the suntimes.com
But people that go off half-cocked with baseless allegations unsupported by the evidence do a disservice to everyone, and do nothing but muddy the waters.
From the infowars.com
European leaders point to that when critics fume that Bush is about to go off half-cocked in Iraq to complete the job his father flubbed in the Gulf War.