Their overnight sexual relationship may end up in marriage. The moody nature of Cancer may turn out to be problematic. During these times, Leo may become selfish and turn out the relationship. The sensitive nature of Cancer should be carefully handled by Leo. The faithful nature of Leo should get noticed by Cancer. Leo may shower countless love on Cancer in turn Cancer provide emotional security to Leo. There is an increased chance for love and sex. Loyalty and strong compatibility may keep up their relationship forever.