Aside from the food issues this sounds a lot like my three year old son.  He fusses and cries over everything.  He won't play by himself and is never just at peace.  We don't give him his way just because he cries and I feel like I spend the majority of our day putting him in time out, and trying to explain that he needs to be sweet and stop fussing.  He just has a hateful attitude most of the time.  I started noticing his bad attitude when he was about six months old. ...