There is a huge need for adoptive homes that will take on a senior dog. You would not believe the number of old dogs that come into rescues. I suppose it happens because many people don't want to deal with the death of a pet, so they rationalize putting it "in another home" so they don't personally experience the grief when it dies, much less have to make that agonizing decision of when to put it to sleep.
If you decide to get another dog, consider one of these old ones. They have so much love to give, and of course don't understand what they did to make their family go away. And, you don't have to worry so much they'll outlive you.
BTW, I recommend the Boston Terrier often to people seeking my advice on what purebred dog to get. They're marvelous little dogs with merry temperaments, they are short haired, clean, and are just big enough to be great children's pets. In addition, they are incredibly popular with older people. Of course, they do have shortcomings. Being shorter faced, they snore, they need to be protected from high temperatures and they can have, er, problems with gas.
That’s a thought. My mastiff breeder guarantees her dogs temperament for life; I might contact her and check if she’s trying to place any older dogs.
Or I could just go to the pound.
Some of the rescues, aware that rescue dogs are the next best accessory to an adopted child from another continent, are worse than homeowner’s associations, very controlling, manipulative, and will take the animal back after it bonds with the family. I have heard horror stories. Some real drama llamas run these things.
What I mean to say is, rescue organizations aren’t what they used to be.
P. P. S.
Snore? Gas? You’ve never lived with a mastiff, have you?