Take a long (cool/hard) look at something informal verb phrase
To think about an issue or possibility thoroughly and without haste.
You should take a long look at this project before deciding to invest.
We need three weeks to take a long hard look at your proposal.
The government should take a long hard look at the long-term health consequences before deciding.
Is the result worth the effort we have to put into it?
To take something into consideration in a thorough way
To think or consider something seriously
to say or reply something without having thought about it or knowing whether it is corect
The verb "take" should be conjugated according to its tense.