Puppies have a tendency to eliminate in exactly the same spot over and over. When you go observe Boston puppies for sale, you might see some colors in a litter. Some Boston puppies for sale aren't purebred
"Like many other much-loved humans, they believed that they owned their dogs, instead of realizing that their dogs owned them." -- Dodie Smith, The Hundred And One Dalmatians. The original Dodie Smith book is SO much better than the disneyfied version.
Wall colour all round, shelf with gold, white and silver frames, white and grey bedding - hate the writing on the wall but love the shelf with the photoframes and would have fun finding pictures for them :)