Story (not based on a true story) of Mary & Stephen (pronounced Steven)

Mary had a great big sheep a great big sheep named Stephen. And everywhere that Mary went she always tried to leave him.<br /><br />Mary left Stephen at the grocery store but the owner brought him back to her. Mary took Stephen to the movies then snuck out without him but he came back to her. Mary left Stephen out in the woods he found his way back home to her. <br /><br />Why does he keep coming back? Will Mary ever be rid of Stephen?