People with Mercury in Aries decide things very fast. They do it to appease themselves. They can be termed crude by others because they are very straightforward. When people don’t accept what they want to convey then better be ready for an aggressive tone or a fight even. These natives love their ideas very much. They will always prefer things which have some matter in it and always reject useless things. They are happiest staring something new but can leave it in between and run after another idea or project. They are very good in promoting new ideas and visions. Concept selling can be best done by these people.