This first and third sign combination of the fiery Trinity usually makes an ideal partnership. In fact, my own Mother and Father are this combination. They stayed together for 19 years. Upon close examination of their synastry, there are aspects that make the long haul difficult. Most people of these matches are in it for life.
The Mars-Jupiter duo is usually an ideal match for each other. Both are creatures of impulse. Both can have outside interest without conflict or friction from the other. The Sagittarius banner is "liberty, and the pursuit of happiness"; Aries is usually willing to subscribe to this theory. And for that reason, this makes them a good match.
Sagittarius will be drawn to Aries intensity and wild side. Both love to play with fire and neither will mind using flattery to get sex. They get along great as friends and lovers and there will be a strong attraction that could lead to a long-term love.
A love of the good life and lots of laughter will be experienced together. Children and animals will be involved in the relationship. Finally, both have found someone that matches the others stamina, in and out of the bedroom. They will share many things in common and their goals will be very similar.
Sex could be explosive and will be a reason to keep coming back to one another. Together they make a powerful combination, and friends will maintain that both have met the right person. People will comment how good they look together. There is such a thing called true love.