Sentence examples for really needs to know from inspiring English sources

"These negotiations get so complex that the president really needs to know the details".

"He has three very good telescopes but he really needs to know how to get the most out of them".

The science behind the test is promising, but is this information any of us really needs to know?

That is as much as one really needs to know, and probably all vertebrates at least–fall into that category.

Lesson No. 2: when you pick out a carpet, the carpenter really needs to know how thick it is.

All a tourist really needs to know is that one forefinger up will invariably get you downtown.

Do other people really need to know?

They really need to know.

"I really need to know".

Boy, I really need to know.

I really need to know what happens!