Robbie was excited to show off his room, rambling about who bought what for him. Zane listened carefully, watching and analyzing. There seems to be a pattern here: if his father buys something, his mother would buy a larger or even better version of the same thing.
Be objective, Zane warned himself. Christina Grey is not his mother. She is not and he did not want to project his apparent mother issues on her.
Robert or Robbie has a very large room filled with so many toys. He seemed to be particularly interested in water-based dungeons and the Pirate Class. He was probably watching Princess Cordelia the First, not for the mischievous yet kindhearted Cordelia but for her enemy, the ambitious, greedy Captain Oceanus.
"You do not need to help me. I can take my bath by myself. I am a big boy." Robbie announced before he entered the bathroom and came out ten minutes later, soap bubbles still on his back.