Pretty girl. I love bull mastiffs and Borebels. Word of advice. Feed her as high as possible. It will make it much easier on her digestion especially when shes reaches 25"+
Nice! Normally at this point I'd go on a little bit of a rant about how 90% of people don't spend the time they should with their dog or give it the daily mental and physical exercise it needs, but it looks like you are in the 10% my friend