Flow of program not what was expected
public static void SetUpCoins() {
        coin1 = new Coin();
        coin2 = new Coin();
    }

 public static void PlayConsole() {
        SetUpCoins();
        OutputWinner();
    }


      public static void OutputWinner() {

        if (coin1.ToString() == "Heads" && coin2.ToString() == "Heads") {
            Console.WriteLine("You threw Heads - you win");
            ++point_player;
        } else if (coin1.ToString() == "Tails" && coin2.ToString() == "Tails") {
            Console.WriteLine("You threw Tails - I win");
            ++point_comp;
        } else {
           Console.WriteLine("You threw Odds");
           WaitForKey_ConsoleOnly("Press any key to throw again");
           PlayConsole();
        }

        Console.WriteLine("You have {0} points and the computer has {1} points", point_player, point_comp);

        if (WantToPlayAgain_ConsoleOnly()) { // ask user if they want to play again; return bool
            PlayConsole();
        }
      }

 private static bool WantToPlayAgain_ConsoleOnly() {
            string input;
            bool validInput = false;
            do {
                Console.Write("Play Again? (Y or N): ");
                input = Console.ReadLine().ToUpper();
                validInput = input == "Y" || input == "N";
            } while (!validInput);

            return input == ("Y");
        }

public static void OutputWinner() {
    do {
        // Game code
    }
    while (WantToPlayAgain_ConsoleOnly());
  }