african bank loan dont end

hi there i got n loan at african bank my own stupidy i whent to n deb rewiev and then got to in arears so i stop debit order with the deb review then whent to african bank and told them am gonna pay them myself am paying african bank already five years am paying extra but i dont c my loan ballance going down it alwaye them same am sick and tired paying them but nothing cumming to n end