you have the Love and compassion in your heart so why not share it with another dog. You take nothing away from the memory of your Bully.When my daughters 14 year old service dog died in July I figured it would be some time before she would want another. That dog was for some years the only friend she had. I credit him with saving he life on more than one occasion. She still cries for that dog . But within 10 days she was online checking the shelters for her new friend and companion. She found a pup she wanted to check out to see if he would be up to the training . I took her to the shelter, she spent some time with the pup and we now have a new member of the family.
Finding a new pup to share your life does not in any way take from the love you had for your pup.