About bad side of Aries, I will say there is a deficient capacity here for self-reflection and a tendency to take ill-considered risks.
I do know that Arians are joyful, dynamic, assertive, outspoken and brave individuals who celebrate life, but who can also be intolerant, impatient, impulsive and overly-emotional.
More than any other faults, bad side of Aries center on selfishness. The average Aries individual is much concerned with self...both positively and negatively. This self-reliant characteristic can sometimes lead to a self-centered attitude, with a tendency to be overly-concerned with personal advancement and physical satisfaction.
At their worst, Aries natives can be domineering, quick-tempered, willful, arrogant, self-centered and intolerant.
One major step in remedying bad side of Aries is all born under the Sign of Aries should strive to direct their power toward mature and constructive ends, as well as attempting to master the slow process of self-education, if they are to bring to fruition the projects they begin with such elemental enthusiasm.
Above all, Aries natives need to guard against obstinacy and try to cure a tendency to dislike admitting when they are in the wrong. If he or she has the strength to overcome such failings, then there is every reason to believe that the ambitions of the Aries individuals will be realized and, in the long run, happiness will remain intact.