What is the pros and cons of neutering a male cat?

Hello Hana. The advantages of neutering a male cat include, 1. A control on male aggression. A neutered male tends to stop unnecessary spraying along with biting and mounting habits 2. The risks of prostate and testicular cancers fall down. 3. Life expectancy definitely increases. The main disadvantage is that few pets tend to put on weight if proper exercise and diet is not controlled.