Why was Celia the servant chosen to care for Matt?

Celia was chosen to care for Matt because she had a nurturing nature and a strong bond with him, having been one of the few people who treated him with kindness despite his status as a clone. Her experience as a servant in the household made her a suitable caregiver, as she understood the dynamics of the environment and had the compassion needed to support Matt emotionally. Additionally, her loyalty and protective instincts towards him made her an ideal choice for his care.