I think the question should read "How does Jesus react to people who tell Him to go away?"

Persons who witness the many miracleous teachings and deliverances of Jesus and who insist that He should go away do it out of fear while others are upset if what is done causes them to lose income or prominence.  In the case of this man who was healed and who wanted to go with Jesus, Jesus' reaction was that he should stay.  His staying in his own country would remind the people who knew him before his healing what took place and he can be a witness to teach others about the goodness and mercy of Jesus. Jesus knew that some persons will want Him to go away and he will react by warning them of the consequences of denial, He would instruct persons who were delivered not to follow Him but remain and at other times He would tell some not to tell what had happened because by just remembering what the persons had overcome would be a living testimony of Jesus' power.