The best way I've learned to try and not be so jumpy during these things is I set a reasonable yet cautious bar for accumulations with a low and a high side. Until this gets locked in as long as the solution falls within my range I don't get too worked up. Now if a total rainer rears its head today I'll probably be disappointed and if all models settle on a bomb then i'll raise my expectations. For now my low is 3" with lots of sleet/rain my high is 8" mostly snow.
ETA: yes I slumped my shoulders when I read the Euro pbp...I don't care how objective or reasonable you are if you love snow that was a burning hemmeroid run.