Mars In Cancer. The Martian energy is expressed emotionally and passionately. There is enormous tenacity, which will be applied to all spheres of life, especially the career and parenthood. Sensuality and caring qualities will be very much part of these individuals’ attitude towards their partners, but a tendency to create a somewhat claustrophobic atmosphere can have a negative effect. It is important that encouragement is given to get them to talk through their problems. There is great capacity for hard work, sometimes carried out in difficult or even dangerous conditions. The ideal exercise for those of this sign placing are all kinds of water sports.