The alternative date for Denise is to do a drive-by on other gangs in Los Santos, whether it be at cars or a group of people. Allowing Denise to do a drive-by will normally make her happy and it will not fail the original date she sets at the start.
How do you make your girlfriend happy in GTA San Andreas?
How do I make a girlfriend in GTA SA? Type the cheat for sex appeal, or work to increase sex appeal: work out, have lots of money, have a good car, wear good clothes, have lots of muscles and have expensive tattoos and haircut.
How can I speed up my Millie progress?
After successfully gaining Millie as a girlfriend, access to her security card must still be acquired to continue in the Caligulas path. There are two ways to achieve this; either by dating her enough to raise the Progress with Millie stat to at least 33%, or by killing Millie on the first date.