Erin met a stray cat named Bailey on her college campus. She decided to adopt it, but couldn't keep it due to school rules. She found out Bailey wasn't doing well in its new home, so she brought it back. Erin and Bailey became inseparable, and Bailey witnessed Erin's milestones - graduation, marriage, and motherhood. Bailey even became a protective "older brother" to Erin's children. The family welcomed more babies, and Bailey turned 13, celebrating a grand birthday. Erin's story is a common one for pet owners, showing the lifelong love and companionship of a pet.