Your Cat Purrs And Thumps Her Tail — Believe The TAIL, Not The Purr

Bramble does it most evenings. Loud purr, eyes half shut, paws kneading my leg, and at the other end of the animal the tail is thumping the cushion at a steady beat. For years I read that as a contented cat with a slightly odd habit, and about once a month I got bitten for it. The two ends were not disagreeing. I was only reading one of them. A cat is not a single signal. The front end reports how she feels. The back end counts how much has accumulated. There is no rule that says the two answers must match. Purring says I am settled. The tail says I have had enough of this. Both are true in the same second, and that combination is extremely common. WHY THE PURR CANNOT SETTLE IT A purr is not a report that everything is fine. Cats purr while being examined by a vet, while injured, and sometimes while dying. It is at least as much a way of settling the body down as a statement of contentment — which means it can keep running while the situation deteriorates. It was never a tolerance meter, so it cannot answer the question you are actually asking. THE TAIL IS THE INSTRUMENT It measures one thing: arousal. Not mood, not affection, not opinion. Still means low. A slow heavy sweep means the number is climbing. A tail hitting the furniture means it is high and still going. People confuse this with a different movement — the tail held upright with a fine quiver at the tip when she walks in, which is a greeting. One is a cat arriving pleased. The other is a cat filling up. So the rule is: when the two ends of a cat disagree, believe the back end. Not because the front end is lying, but because the back end is ahead. Arousal rises before behaviour changes, so the tail reports the future while the purr is still reporting the present. WHAT HAPPENS IN THE LAST FEW SECONDS Nothing dramatic. The tail speeds up slightly. The skin along the back may twitch. One ear rotates backwards while the face stays exactly where it was. The purr often continues through all of it, which is why owners describe the bite as coming from nowhere. It came from the half of the cat nobody was watching. THE HONEST PART This is usually called petting-induced aggression. The phenomenon is well described; the explanation is not settled. One account is accumulation — repeated touch in one place becomes irritating. Another is pain, in skin or joints, that the touch keeps finding. A third is a cat who was dozing and has been kept awake. Three problems, one identical picture. THE FIX THAT WORKS ANYWAY Three strokes, then your hand comes off. A cat who wants more will push her head back into your hand within a couple of seconds, and that is an answer you did not have to guess at. Most cats, given that choice repeatedly, end up asking for more contact than before — what they were avoiding was never the stroking, it was the inability to stop it. Where you put your hand matters as much as how long it stays. The head, cheeks and under the chin are where her scent glands are, and that territory she volunteers. The base of the tail, the flanks and the belly are where the clock runs fast. And stop the long stroke that runs the whole length of the body: it crosses the safe territory and the expensive territory in one pass, every few seconds. If it happens anyway: go still. A hand that moves suddenly is prey. Let her disengage, then get up and leave normally. And never punish any of it — a cat who learns that early signals bring trouble stops sending them and goes straight to the teeth. THINGS PEOPLE ASK ME EVERY TIME The cat who bites and then immediately licks the same hand is not apologising. The arousal dropped the moment the contact stopped, and grooming is what a cat does when a spike comes back down. Children stroke fast, long and continuously, which is the exact recipe. Teach the count of three out loud, with the hand coming off on four — it works far better than telling them to be gentle. A cat who settles and falls asleep on you has not asked to be stroked for forty minutes. She asked for a warm, stable surface. The highest form of this is to let her sit on you and touch her not at all. WHAT BELONGS TO A VET A cat who has started objecting to being touched somewhere she used to accept — the lower back, a hip, one side of the face. Joint pain, dental pain and skin conditions all present as a cat who became touchy in one specific place rather than everywhere. Over-grooming one patch belongs in the same sentence. And the quiet direction nobody reports: a cat who has stopped coming for contact at all. I am not a vet and I do not diagnose here. TONIGHT'S JOB Stroke three times and stop. Count the seconds before she asks for more, and write the number down. Three evenings. Most people find the same number comes back every time — and that number is your cat's actual limit, which you now know instead of guess. Nothing is being sold here. No product, no spray. What does yours do? Tell me in the comments. I read every one.