hi i've done everything aside the dog walk quest, because the scenario to start all that doesn't appear, the neighbor never asked me to walk the dog at all
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There is a trigger for that part, I think you need to go to work few times before that and go to the beach at least once, i can't remember the rest you need. Maybe the gym part and the reading must be done complete. Have you seen the milk agents sully and the other one? If no, than go to the park to help sully. Go all the way down and right, the the bush on the right