Can't hurt people, must obey orders, must protect himself. He immediately starts exhibiting signs of actual life and feeling. The movie plays out for a while like you'd expect it to. The rebellious teen daughter hates him, while the adorable little daughter loves him. The younger daughter gets married, even though Andrew is her best friend.
More time passes.
Andrew wants his freedom. He builds his own house on the beach. More time passes. People get old and die. First he has fake skin plastered all over his body, then fake nerves inserted, then fake organs, and so on.