[quote=Yog Sothoth]
Isaak might just spill the truth about Acacia to get her out of the compartment and give Willow some space lol
[/quote]

...and he would seem like a raving mad man. Where's his proof? The other Slytherin's aren't likely to back you up. xP

Also, she *may* start getting her feelings hurt and make Isaak seem like the bad guy.

Just a thought~ :P