Summary: This is good for clarifying your thoughts and expressing yourself clearly. You may be interested in intellectual subjects, art, and child psychology. There will be social activity and potential attraction to investing. Take care of your health and avoid distractions during work or studies.
This interpretation is for when Transiting Mercury is going through your natal fifth house.
This transit has a very attractive side, which is that it is easy for you at this moment to clarify your position on any subject. You can explain in a very concrete way what you are thinking. This mental activity will include reading, writing and games such as chess, which require special skill. There will be a tendency to be interested in intellectual subjects, art and child psychology.
You will probably notice an unusual amount of social activity, a lot of coming and going from all kinds of people. With Mercury in this position, you will most likely be attracted to the idea of investing money and studying the movements of the Stock Market. If Mercury makes difficult aspects, you must be careful with your health and not be so easily distracted at work or in studies, since pleasurable activities will attract you a lot at this time.