How loyal are Romney's NH supporters?

[Simfan34]

Why do Huntsman and Romney hate each other? Huntsman goes after Romney all the time....you'd think they'd like each other being fellow Mormon ex-governors whose families are connected

Ironically, they're similarities are why they hate each other, they're both competing for the same voters. 

I believe it's more personal, a family feud of sorts as they are related. For example, Romney and Huntsman wanted the Salt Lake Games Organizing Committee chairmanship, Romney got it while Huntsman didn't.