There’s a lot of confusion among pet parents as to what makes a dog a “senior.” The discrepancies come from a variety of factors – age, breed, overall health and lifestyle. I personally believe that every single dog becomes a senior at a different time in their life, just like people do. But how do you know when your dog is a senior? I’ve come up with a list of signs to look for your in precious pup, and I also have suggestions for helping your aging companion.