Someone that tries to combine checks at dinner and in the end makes a profit because no one else knows what happened or what logic he used to combine the checks.
Stuart-"we need separate checks"
Separate checks come. We all get money together for separate checks
Andy-"no no no, Im gonna combine all of these checks and include the tip so just give me all of yalls money and I'll do the rest."
Zach-"put those f'ing checks down Andy, no one trusts your Marco math"