I HAVE A GERMAN/CHOW MIX. HE WILL BE 5 ON THIS COMING FRIDAY. LATELY HE HAS BEEN RUNNING OUT OF THE HOUSE EVERY CHANCE HE GETS. HE COMES HOME ON HIS OWN BUT I AM SO SCARED THAT HE WILL GET IN TO TROUBLE WITH ANOTHER DOG OR GET HIMSELF KILLED BY RUNNING IN THE STREET. CAN SOMEONE GIVE ME SOME SUGGESTIONS AS TO HOW I CAN GET IN TO STAY WHEN SOMEONE OPENS THE DOOR.