English Mastiff
No matter how you look at this breed, they are just imposing by their sheer size. They are a big breed, but you should not let their size intimidate you because English mastiffs are actually just gentle giants and are actually a low-energy breed!
Because they are not a super active breed, they are prone to being lazier than other dogs, and this can easily lead to them being overweight since they do not get much exercise. If you want to get one, you should make sure that you are careful with their diet, as they can easily put on extra pounds.
And since we talked about high-energy breeds, make sure you know all about them and which are the most active so you do not end up adopting a pooch that is going to be too active for your lifestyle, especially if you are a retiree! Read all about them here!