private function prepareStatement()
    {
        //Prepare statement
        $columns = "";
        $fields  = "";
        foreach ($this->fields as $key => $f) {
            if ($f == 'id') {
                continue;
            }
            if ($key == 1) {
                $columns .= "$f";
                $fields .= ":$f";
                continue;
            }

            $columns .= ", $f";
            $fields .= ", :$f";
        }

        $this->statement = $this->pdo->prepare(
            'INSERT INTO `' . $this->table . '` (' . $columns . ') VALUES (' . $fields . ')'
        );
    }