The union of two signs of similar element, such as the two fire signs in this case, usually is a good thing and this is no exception. Although there are a few problems that arise for the very reason of being so similar.

You both have a need to be number one. For the Arian the emphasis is on doing things for yourself, but the Leo sees things in a different way. The Leo the emphasis is on being seen as a leader, they strive to be the center of things, and people naturally turn to them for reassurance and warmth.

As the Aries will realize, you are not likely to give a Leo the sort of respect that he believes they think they deserve, especially if you think you can do things any better. If, on the other hand, you can't do things any better, and should therefore look to him for advice, you will see him as a rival and be forced to compete with him. For the Arian sees themselves as the natural leader and believe their place is infront.

If you can realize you have essentially the same outlook, you will get along very well. You are both active and like to do things rather than be passive and wait for things to happen. You both essentially are outwark-looking and optimistic, believing that things can, and probably will get better. You both have a lively sense of humour, with the Arian being the sharper of the two, and you are both capable of giving out enough energy to inspire and help others who don't seem to be able to make it on their own.

The area where you differ most is that the Arian needs to make his own territory, they like to go where no other has gone before and claim it as their own. The Leo, on the other hand is much happier to find himself in an existing situation and put his energies into it from the inside. Sooner or later he becomes the central figure wherever he may be, and becomes responsible for the general morale and social life of the group. I usually isn't important for the Leo to be seen doing the impossible or proving that he is the best. What is important, however, is that they be recognized as such and given the respect due to that position.

Provided that neither of you trespass on the other's territory, your bright and radiant personalities will attract each other without much effort from either one, and an affair could easily grow. This will be conducted with all the heat that the fire signs usually generate, and the warmth of the affection will be visible to others. Although it may not seem especially passionate to the Arian, since you do everything with that sort of intensity. Emotions will be easily expressed, an in a straightforward manner, because both of you are surpassingly unsophisticated in your emotional requirements. You are both hurt easily, and have no problem showing that you are indeed hurt. This is usually because you both want you own way at once, and one of you has been forced to take second place.

However, if you can learn to sometimes take second place, then a warm and lasting marriage is possible. You can be a very good match for each other, with Aries learning the pleasure of giving to others, and Leo learning that reacting to challenges doesn't always mean a loss in prestige.