The relationship aspect of Grand Theft Auto IV is perhaps one of the most nebulous areas of this epic game.
However, that shouldn't daunt you from building as many relationships as you can, because they happen to provide some of the deeper and more rewarding experiences Grand Theft Auto IV has to offer.
Since Kate and Michelle are fairly easy to please and only pertain to the storyline, they won't be covered here.
There are three other girls that Niko can meet and date via the
There are two females in the game you must date—Mallorie's 'friend' Michelle and the O'Reary boys' sister Kate—but other than that, dating is completely optional.
a sexual encounter) with the girlfriend at the conclusion of the second date, with the exception of Kate, who will never allow the relationship to reach that point no matter how many times she is dated.Do not call her when she’s not awake or her fondness of Niko will go down.Also once you arrange a date with her do not take over an hour in the game’s time to pick her up or her fondness will also go down.To have a successful date Niko must cater to the women's tastes in three areas; clothing, vehicle, and how fancy the date is.Each woman has different tastes and will respond accordingly.