I am so sorry to hear about Dug. Losing a pet is a terrible pain. My dog died suddenly in 2014 and I am still not over it completely. For example, I have had two babies, yet my lock screen/wallpaper on my phone is still my beloved Nixon (named after Trot Nixon, former Red Sox player). Sending you all the love and hugs this week.
So sorry for your loss. My profile picture is of Abbey the Airedale who passed away in 2011 at 17. Being a large dog, we were blessed to have her in our live for so long. Cherish your memories and hold them close to your heart.