Gemini's freewheeling, anything-goes attitude meets opposition from conventional, steady, conservative Capricorn. Capricorn worries about security, while Gemini frets about losing its liberty. Order and routine keep Capricorn content, but drive Gemini to distraction.
Gemini's need for a stimulating experience does nothing to make Capricorn feel secure. And Capricorn's sober outlook puts a damper on Gemini's high spirits. This isn't an affair with high voltage---but Gemini can help develop Capricorn's sensual potential.