It’s been such a difficult few months for me, and I know you will understand. My four-pack has become a one-pack, and I miss these babies so much.   Upper left: Tinkerbell,  Center: Rosie,  Upper right: Chelsea, and front right: Gracie   We said goodbye to Tinkerbell a year ago around this time.  She was my first rescue from Muttville in San Francisco. We had to say goodbye to Chelsea in September of this year.  She suffered from congestive heart failure and, towards the end, could hardly breathe.  I’ve had her since she was a baby, and she lived to be 16 1/2, so this was an extremely hard one for…