The changelings grow up with their new parents , but both find it hard to adapt : the human girl is disgusted by her future bridegroom , a troll prince , .
The troll girl is bored by human girl 's life and human girl 's her dull human future groom .
The changelings grow up with their new parents , but both find it hard to adapt : the human girl is disgusted by her future bridegroom , a troll prince , whereas the troll girl is bored by her life and by her dull human future groom .