Aside from the amusing interactions between Niko Bellic and the women he dates, there can be several in-game benefits to starting a relationship with any of the datable characters.
Putting in a little bit of time to raise the fondness of the girlfriends can unlock their "special abilities": these can help in particularly difficult missions late in the game.
She lives on Feldspar St in Little Italy, Downtown Algonquin.
She works at the Goldberg, Ligner and Shyster law offices as a lawyer.
Kiki Jenkins, born 1976, is a character in the HD Universe and a 32-year-old datable character in Grand Theft Auto IV.
She is datable after the mission Out of the Closet (once Algonquin is unlocked) and can be contacted via under the alias Law Chick.
There are five friends in total, which become available at different times during the storyline.
Each friend offers a 'special ability' in return for maintaining a good friendship.
Any special ability gained through dating is only available to use one time per game day.
The ability to date girlfriends, first introduced in Grand Theft Auto: San Andreas, returns in Grand Theft Auto IV.
There are five friends and five girlfriends in total, and each character has a unique set of preferences.