I have replaced Wife 1.0 and Wife 2.0 with girlfriend 77.0. I have been running this program for 5 years now. I have to make sure there is no chance that Wife 3.0 will have any conflicts with any other programs such as Mods 1.0 through 99.8. Upgrading the program after complete installation is impossible. Make sure the program does not slow down or override any other applications or it can slow down the current system, if not crash the entire system unpredictabley. Make sure to have a backup to fall back on should the system crash.
Good luck!
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Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting "Holy shit, what a ride!"