I would have done the same thing... up my fees. I am felxible when an emergency happens and whatever and I have never charged late fees ...yet. However too me you were reasonable in your demands. This prent to me seems very selfish. Not by wnating to go to the gym but that fact that thsi person is willing ot pu the stress on her child by changing daycares and routine and all SIMPLY for that fact... Anyway if it was me I would have simply have tried to find some other time to visit the gym or have someone pick up or PAID the fee. I use to have an HOUR commute before I would pick my child up at daycare and NEVER were we late to pick her up and if I did expect to be late because of whatever reason my husband was on standby and my daycare was advised. During this whole year we never picked up late no matter what so... to each is own and that I know but I think you were reasonable.