[Skyfall]

Originally Posted by Sushi-Y

I might have already mentioned it, but eh:

Spoiler:

Louise knows that if she responds to Saito's feelings now, her words will become a bind that'll stop him from returning to his world. That's why she decided to keep everything to herself until he manages to find a way home.

Ouch Her likability factor just went up tenfold. For a seemingly selfish girl as her, this is quite a noble act. And it furthers the question whether Saito stays in this world or goes home.