Don't worry. Developing thickened, discolored toenails is a common concern for men and women of all ages. Although there are many reasons that this can happen, it is most often caused by a fungus.
That's right: Repeat Day is a quirky holiday celebrated every year on June 3, giving you an excuse to do things over and over again! Take this opportunity to repeat things you enjoy, such as watching your favorite movie twice or going in for that second piece of cake.
I don't know of a way to do that. The only thing I could think of that might save you time is to enter the calendar entry on a daily repeat, then delete the entry on the days you don't work. This will only work if you are scheduling the exact same start and end times.