At the time of this writing, it is middle of summer, and quite seasonal to think of, plan, and go on vacation. But let's explore the difference between a vacation and retreat. Vacation is that time that you take leave from work and regular activities for rest, pleasure, and travel is implied and assumed. There are many times we hear however, that the vacation ended up being very tiring, and people to need to catch up on rest from their vacation. This is often due to lack of planned buffer…