A sickly churning started in Chloe 's stomach , then suddenly for the first time in 8 years , the dark outline of what had been her home for such a long time loomed into view . As she stepped out of the taxi and heard the cruch of the frosted grass beneath her feet . She held her breathe and forced herself to look at it .
According to the above context, answer the following question.
Why does Chloe feel sick ?


She is returning home