HI COULD ANYONE GIVE ME ANY ADVICE ON WALKING MY DAN THE PROBLEM I HAVE IS SHE WALKS GREAT SITS WHEN TOLD . I ALWAY USE A ALTY ON HER BUT? WHEN SHE SEE ANOTHER DOG SHE GET ALL EXCITED .AND JUMPY MY DOG HIS 3 YEARS OLD AND THIS PROBLEM AS ONLT JUST STARTED. CAN ANYONE PLEASE GIVE ADVICE.