I think I like the idea of her not being able to control herself, due to her base mind's actions. While her thoughts will be constant, she'd be unable to let her thoughts take clear control of her childish demeanor.

*takes a bite of the food on the fork*

It'd be almost amusing if you could make it so she ends up losing more control, the more she tried to struggle against it. While her thoughts panic at the idea, sending her into a recursive loop, causing her own undoing...

*Sanko all the while is just staring horrified at Souha*