Sun Sign: Cancer. Mercury In Cancer. The Cancerian imagination should be creatively expressed, and good solutions will be found to personal problems after much soul searching. A tendency to look to the past will be somewhat style-cramping. Tenacity is very strong in this grouping, and goes in tandem with steadfast determination, so that these Cancerians may well not know when enough is enough. The memory should be excellent, but sometimes resentfulness can mar friendships.