Can I ask - how can you be certain this is WAW Syndrome? I don't want to take action like it is if it could potentially be something else if that makes any sense?

Many Thanks, I really do appreciate all of the advice...

W 39 Me 33 M 9yrs
8 year old Son
ILYBINILWY - Dec 12
W moved out - Jan 2013
OM - Jan 2013
I file for D - May 2013