Jupiter in the 3rd house of Solar return Chart shows a great deal of daily activity. The pace of life picks up as you run around from one task to another.
You have too many things to do, and if the juggling act gets out of hand, you function in a state of crisis management for part of the Solar return year.
It is common to have one specific project, thought or task dominate your attention and time. This interest crowds your days with activity; consequently, overscheduling is a problem.
a pregnant student needed to complete all her coursework before the baby was due. Papers, tests, and homework took up all of her time, and she had few outside interests until she was finished.