The male cat suddenly bites the sleeve and holds the arm while holding the arm. It may be that it is mature and has entered the estrus period. At this time, the owner can pet the pet and let it go; if it just bites the sleeve and does not let go, If you let go, it means your pet is acting coquettishly with you and wants the owner to play with and get close to the owner. Owners can treat cats differently according to their conditions.