Cats don't purr when injured or sick. Assess their health if they suddenly stop purring.
Physical Discomfort
Senior cats often purr less frequently. Give them soothing massages and warm beds.
Older Age
Some breeds like Persian cats naturally purr less often than others.
Breed Tendency
Reserved or socially shy cats may not voice pleasure through purring.
Stoic Personality
Ensure your cat feels secure. Environmental stressors can inhibit purring.
Lack of Contentment
When intent like hunting, cats don't purr and fill the silence.
Listening
Use slow blinking, treats or chin rubs to elicit happy purrs from your cat.
Do Purr