make a difference to
make a difference to (one)
To be of importance to one; to make a significant impact or effect on one. You can either take the money or not—it really doesn't make a difference to me. I hope you know that the charity work you've been doing really makes a difference to these kids.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
make a difference to someone
[for one choice or another] to matter to someone. The big one or the little one—does it really make a difference to anyone? It makes quite a difference to me!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.