Now the smile on Valerion's face had a knowing, somewhat mischievous note to it. "When you are reading in your room, can your mom come and yell at you to clean the kitchen?".

Adrien's eyes went wide. "Yes. Yes, she can!".

"That must be why it doesn't work!", Valerion exclaimed, a chuckle at the end of his voice.

A cackle escaped from Adrien. "It's always my mom's fault!", he laughed, "First it was going back home, now this! Thanks, mom! Really, though", he added in a lower voice, "I'm making my mom sound like this terrible tyrant -- and she's not, I swear, she's -- just -- a mom, you know".

"I see", Valerion smiled. "Anyway, I suppose this means that you should look for a thought that cannot possibly be disrupted by your mom's presence".

"That's going to be trouble", Adrien chuckled, scratching the nape of his neck. "Let's see...".