I definetely think that Breezepelt's gonna take Heathertail for his mate. In Sunrise, it says he was standing close to Heathertail at the Gathering and his eyes were like saying (i)She's all mine now(/i). And why he acted mean to Lionblaze in the first 2 books is probably because he was jealous of Lionblaze when he was with Heathertail. I think Breezepelt loved Heathertail since they became apprentices. And I think Heathertail now has feelings and affection toward him. Then, I think he's gonna wait untill she's totally in pag-ibig with him. What do you think?
