First,keepingapetcanmakeourfamilymuchhappierthanbefore,becauseitcanbringusjoys.Second,ifwekeepapet,wemaynotfeellonelywhenwearehomealone,itcancompanyuslikeaperson.Third,animalsarealsoourgoodfriends,weshouldpaymoreattentiontothem.Lastbutnotleast,ifweareintrouble,itcankeepusfromdanger.我不知道你让写什么样的对话不过上面这些是几条养小动物的好处,也是劝说父母的话若是还有什么对话自己再加些串联词就OK啦!