one sad dog standing looking out open window

abstract adorable adoring affecitonate affection alone animal animals anxiety anxious background best black boxer breed canine clever color colors colour curiosity curious cute despair doggy dogs emotion emotional emotions family feeling feelings friend friends friendship fun funny gorgeous grief grieving guard guarding heartbroken homesick hoping ledge lonely lonesome look looks loss lovable love loving loyal loyalty mammal mammals mans member missing mood moody natural neutral obedience obedient owner owners patience patient patiently paw paws pet pets pining pup puppy puppydog sadness seperation single smart soft solitary solitude solo stand stands sweet tender tenderness true watching white windows wishing