I have never liked Will either. The Grundy family don't seem to me to be consistent. I 'get' Joe, Eddy, & Clarrie, but Will & Ed seem to have just been written that way b/c the SWs wanted a storyline, and now it's stuck! Clarrie seems to cope with everything thrown at her except those boys.
The Carters seem far more consistent: Chris easy going, very forgiving to a difficult partner, just like his dad; Emma trying to better herself after a disastrous mistake, just like her mum. And in fact, Emma is coming into her own, I think her now one of the better characters.
Nic brought out the best in Will, and I can see him having a bad time and being pretty horrible to everyone!