The biggest challenge, I would have to say, would be as a manager or supervisor, not having reliable staff, and it can be very challenging when you have your own things to do, but because your staff doesn't show up, you have to jump in and do their job also. That happened a lot in my role in hospitality, being the department head, there were a lot of days I had to cover for people who were working for the day and multitask and get done what I needed to do as well as whatever I didn't have to cover for, and the outcome was that it got done. Ask people to help, team, everybody's, because at the end of the day, the goal is the same, and that's the successful running of the business. Whatever the business is, everybody has their own part, but for help, so typically in those situations, just make a point, help if needed, but...