Mars in Cancer: Their emotions control their actions. Emotionally aggressive, they will use their emotions to get want they want. Impulsive and moody, they are always acting out in response to what they are feeling. They are hyper sensitive, bit of a cry baby and whiner. On the other hand they are gifted in cheering others up and can warm up a room. They can never hold back what they are feeling, so they are also very honest.