Cocker spaniels are a good dog to have. They are medium dogs that are very portable. Expected to live from 13 to 15 years. Taking care of cocker spaniels can be expensive and time consuming. They need weekly trimmings, brushing, and teeth brushing. Ears and eyes need to be checked and cleaned very frequently so they don't get infected. Cocker spaniels love kids and are good with other dogs. Training is easy; they learn quickly. Like most dogs they are prone to some diseases; hip dysplasia and eye disease.