Blue cats have cheeks from 7 months after birth to 2 years old. This period is the best time for blue cats to have cheeks. It is recommended that owners feed blue cats more nutritious food, cat food You can add hairy cat food to the diet, and feed blue cats raw bones and meat regularly. During this period, you can play with the cat more and let the cat get more sun, which can help blue cats grow hair quickly and healthily.