get down to it
To focus on the most important aspects of something. I know you want to see the best in David, but when you get down to it, he's a liar—he always has been. When you get down to it, life is about making choices. When you get down to it, your health determines your quality of life, so you better prioritize it.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.