Nowadays,alomosteveryfamilyhasadogoracatasapet.Becausethecanbringushappinese.Whenwehavesomethinguahappyanddon'twanttotellanyoneelse,wecanalwaystalkwithourpets,thoughperhapstheydon'tunderstandatall.Butifwedoso,wewillfellmuchbetter,especiallywhenwe'realone.Whenadultsarebusyandhavenotimetolookaftertheirparents.Apetwillalwaysabestpresenttotheolds.But,keepingapetwillalsobringusquitealottrouble.Forexample,mostpetsareverydirtyandtheyhavealotofdiseaseswiththemwhichwillmakeusill.Sometimesadogwillbitesomeonewhomayjustwanttotouchittoexpresshisfriendship.Inthiswaypetswillalsomakepeopleunhappy!