Who is Nikki Tyler from How to Make Love Like A Porn Star: A Cautionary Tale and what is their importance?

Nikki Tyler worked with Jenna on her first shoots with Suze Randall, and later became one of her best friends. Jenna lived with Nikki while she recovered from her addiction to methamphetamine. The girls later stopped talking when Jenna decided to do films. Nikki later moved to a town where no one knew her or her past, got married and had a daughter.