We recently lost our 13 year old boxer Skylar to cancer. She was an emotional support dog for my son for all those years, and was bonded to him and my husband. She had a very distinctive, loud bark, and knew how to "talk" with it. One bark, attention please. Two barks, let me out that door now. Three barks, answer the door. The day she passed, my son was obviously distraught. He knew it was her time, and in fact, she was the oldest boxer our vet had ever treated. He needed space to process so we simply let him do so that evening. The next day, my husband told me he had heard her do one bark as he was drinking his coffee. We said nothing to our son as to not upset him more. At supper that evening, our son said, "I want you guys to know, last night, I heard Skylar do one bark." I looked at my husband, who then told our son of his experience that morning. Both said it was audible to them, and they felt it was her simply telling them "Attention! I'm OK over here!" I did not hear this, but both guys are adamant Skylar stopped by to assure them all was well. My son was able to let go and find peace, and I'm sure she knew this would help him do so. Just wanted to share with you all that have recently lost furbabies.