The sensitive, calm, and self-assured Mastiff is a powerful dog with a long history and with a barrel chest and a deep voice. Moreover, they are good guard dogs and also make good bed companions. They will warm up your bed on even the coldest of nights.
#1 Mastiffs are the biggest dog breed in terms of mass
#2 Mastiff makes a wonderful family pet, though his size makes him somewhat of a challenge to keep
#3 The heavy-boned Mastiff gives an impression of grandeur and dignity
#4 The puppy phase is much longer in Mastiffs than in most other breeds
#5 Mastiffs are intelligent and want to please their people, but they can also be quite stubborn

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