[header] How to convince someone to spay or neuter their cat [title] Emphasize the health benefits. [step] Spaying their cat will significantly increase its chances of living a long life, with fewer health complications. A cat that has not been spayed is significantly more likely to suffer from uterine infections and breast cancer, both of which are deadly in a majority of cases. 
[title] Explain to the owner that it will them get a better night's sleep. [step] A female cat will go into heat four to five days every three weeks, making nearly a third of the time the owner spends with their cat hellish.