He was going to give up Cheyenne to be with her, one of the biggest sacrifices a cowboy could make until she said she was leaving him for another. The song describes the cowboy ending the call and leaving the phone off the hook and slowly turning around and taking one last look. He then gets in his truck and "aims it toward that Wyoming line."
He was going to relinquish Cheyenne in order to be with her, one of the most significant sacrifices a cowboy could make until she stated she was departing him for another. The song describes the cowboy ending the call and leaving the phone off the hook before slowly turning around and taking one final glance. He then gets into his truck and "directs it toward that Wyoming boundary."