I used to have to schedule them on the calendar and then, in the AM, take off with the ride of the day without thinking. If I even started thinking, it would be 20-30 minutes. There were times that I had the wife hide the keys.
Now the other issue I had, and I don't know if you ever run across this, is that they never wanted to pull into the parking lot at work, it was a struggle. If I let them go I'd routinely end up at the beach