you can't be a little bit pregnant

you can't be a little bit pregnant

This is a situation that requires a complete and utter commitment of one's time, energy, or effort. If we choose to break off from the company and establish our own firm, then that's what we have to commit to—you can't be a little bit pregnant, you understand?
See also: bit, little, pregnant
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A home test works for something like pregnancy because you can't be a little bit pregnant.
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