Bullmastiffs, owing to their size, are a whole lot of dog! Being gentle and affectionate, bullmastiffs do well with families with reasonably well-behaved children. However, they are wary and sometimes intolerant of strangers. They also may be less tolerant of a family's existing pets, therefore if you're thinking of adding a bullmastiff to your existing pack, you may want to reconsider your decision. Supervision is imperative when the bullmastiff is around children as it could inadvertently knock a child over. Socialization and training are crucial to living successfully with this breed. The short coat makes his grooming needs minimal and he sheds little. The bullmastiff also tends to drool and slobber.