A few seconds of read-back time on the radio can help stave off some real trouble. Take that time, and use it carefully to make sure everyone has the same expectations.
On any given day, per National Air Traffic Controllers Association statistics, theres an average of 87,000 flights over the U.S. Dozens of these pilots may be on the same ATC frequency. They could be dodging weather, descending into complex terminal airspace, or conducting military operations. Perhaps theyre just out for a sightseeing flight or training. As they fly, theyre checking in, replying to instructions, taking frequency changes, and making requests.