Told you so

Me: Scott is the windscreen icy
Scott: no it's fine
Me: are you sure it isn't icy
Scott: yes it's fine
Scott collects his work bag from the car
Me: is the windscreen icy
Scott: no Katie it's fine
we all troop out to the car - the windscreens icy
Scott: I completely underestimated that

I'm saying nothing!