Coworker is taking total advantage. I'm so sorry I don't want to be harsh but you need to grow a shiny new spine and them her NO! You are done driving her to work it adds way to much time and you are absolutely not picking her up from the gym. Seriously she's a leech. Say No it's a full sentence. 4 months is long enough she's not going to stop until you make her and if she creates a hostile work environment report it to HR immediately. You are not that womans free Uber. Has she even given you gas money? Even if she did. It's taking a toll on your car with the extra 40 minutes of driving Every work day. And mental health because she put you in a bad situation. And now she wants even more from you. You shouldve put a stop to that crap back in February when she told you her car is working again. I hate moochers. No is is full sentance