The objective of this level is to find a way to relieve the character's boredom. The initial attempts involve interacting with various objects in the room, but these are all unsuccessful.
There are no explicit notes or precautions mentioned in the video. The puzzle involves trial and error with various in-game interactions.
The key to solving this puzzle is to realize that the character will "lose interest" in all indoor activities. Therefore, the solution lies in an external action. Look for elements that suggest an outdoor activity or environment. In this case, making the character go outside is the correct approach.