Goofing off, horseplay, and intimate touching are not only distracting, they can raise legal and safety issues on the job. Invasions of personal physical space, overly familiar terms of address and joking behavior can make customers uncomfortable. In addition, it can tell a boss that a worker is immature and does not take his or her job seriously. Students will learn that bosses quickly weed out employees who treat the workplace as a playground and the people in it as playmates.