see for yourself
see for (oneself)
To see or experience something firsthand as a means of proving to oneself that it is true or accurate. A: "Restarting the computer didn't fix the issue?" B: "See for yourself! It just keeps getting stuck." I couldn't believe that his car could actually park automatically, so I had to go over and see for myself.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
ˌsee for yourˈselfsee or experience something yourself so that you will believe it is true: Don’t you believe she’s here? Well, come in and see for yourself.
Farlex Partner Idioms Dictionary © Farlex 2017