i wud take him to the vets. he may jst be a little under the weather.

has there been any changes in the household lately? any kind of change even a change in litter or cleaning agent or even the smell of your clothes cud affect him. so you need to eliminate watever it is and things shud return to normal pretty soon.

good luck and keep us updated

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If You Want The Best Seat In The House, You'll Have To Move The Cat