"Why is his cage decorated?" The shelter volunteer paused. "Oh. That's Hank. Staff birthdays, holidays... he's been here for all of them. Two years, four months, eleven days." Hank was a big, jet-black Pitbull with a grey muzzle and the kindest eyes I'd ever seen. He wasn't jumping at the gate like the others. He was just... lying there. Watching people walk past. "Black Dog Syndrome," she explained. "People scroll right past dark-coated dogs online. Add in 'Pitbull' and 'Senior'? He's invisible