The phrase "little patient" refers to a person, usually a child, who is being understanding and waiting calmly, even if they want something. Full definition
For most of cancer treatment, things are just being done to you; there's very little a patient can do to get well from cancer on her own. (cancerresearch.org)
Medical billing personnel typically have little patient contact except via phone and mail. (work.chron.com)
He understans that I have little patient for waiting. (cars.com)