Air with fire will help maintain interest between these two signs, particularly on a mental or intellectual level. Leo likes to be the centre of attention but may feel neglected when Gemini becomes absorbed in those many interests or activities. Leo's "think big" philosophy appeals to Gemini's mind. Leo's desire to take control may overpower Gemini's free spirit. If each person is happy to let the other go his or her own way, however, this can be a sparkling combination.