know how much longer I can tolerate it.
Some possible key facts extracted from the text are:
1. Nikki is a homeless girl who is adopted by a rich woman named Dina.
2. Tiffany is Dina's biological daughter who is spoiled and mean to Nikki.
3. Drake is Tiffany's boyfriend who falls in love with Nikki.
4. Tiffany sabotages Nikki by ruining her clothes, hair and reputation.
5. A nurse reveals that Nikki and Tiffany were switched at birth by mistake.
6. Dina decides to keep Nikki as her daughter and gives Tiffany to her birth mother, Stacy, who is poor and abusive.