To trigger a Two-Timing date, go on a date when CJ has more than one girlfriend. do the Taxi mission, etc., in SF betweendates.) When I tried this, Katie always wanted a dinner date for her 1st severaldates, and C. Thiscould be it...," there was a picture of Denise's Hustler and the message:"You've been spotted by another girlfriend. Her car came from the street above the E sideof the lot of the diner (where the vehicle exit is), right over the ledge, andstopped beside C. In the few times I tested this, Denise showed up after the 1st date or afterthe 1st couple of dates. Well done." Carl Johnson had the jealous girlfriend show up when he used a similar strate-gy. Perhaps there is another explanation or conditions I didn't consider.
However, Two-Timing Dates are apparently disabled forever if CJ goes on a date and only has 1 girlfriend, or if he goes on a date when he has more than 1 girlfriend but the jealous girlfriend does not appear (50% chance), or if a Two-Timing date is triggered and he manages to evade the jealous girlfriend.
Jealous girlfriends Thanks to Carl Johnson and pdescobar for explaining their experiences inhaving C. According to an in-formative and helpful response from pdescobar (who appears elsewhere in thisguide), this should work: Have C. make two girlfriends, but not date the 1st one or collect any Oys--ters. However, Two-Timing Dates are apparently disabled forever if CJ goes on a date and only has 1 girlfriend, or if he goes on a date when he has more than 1 girlfriend but the jealous girlfriend does not appear (50% chance), or if a Two-Timing date is triggered and he manages to evade the jealous girlfriend. Perhaps there is a difference on PS2, Xbox, or version 2.
I posted a message at GTA Forums asking if anyone had seen C. run into ajealous girlfriend and what could trigger her appearance. I did this till her Stat reached zero, which makes it disappear from the Stats. (You don't read that anyone brags about that one alot on the Gamefaqs message boards.) (At this point, if you try my plan, you might want to wait till the SF savehouses can be bought and have C. Gimp suit dates (Millie) and She Drives dates (Michelle) do not trigger jealous girlfriends.
dated Katietill his success rate with her went up to about 35%, C. dated Denise and Katieshowed up as the jealous girlfriend.
If CJ stays in the sphere then perhaps the two-timing evaluation will be skipped. I started a new game and used my trusty trainer to spawn vehicles, set money, increase muscle, and warp to San Fierro.