I didnt check the save as your issues doesn't seem like any problem from what you mention bro. Note: I only check saves from those who pm/dm me the saves.
Carol dating is indeed removed and only part of it are left (which cause issues, so just dont call her N.B:fix in the cheat mod at my profile link). I dont play the game often so have no idea who is Maritza?? Garage is not remove just changed to car racing garage. Same girl is there to have scenes with. It is part of the main story line. Babysitting is reworked but has huge bugs in it which prevents you from seeing the end or progressing (N.B:fix in the cheat mod at my profile link).
After coma stage and you get the new house is when you suppose to meet Lucy official as your mom