Anyone can cast a spell, and you can cast a spell to attract love into your life, or that special someone. Many spell casters use a variety of ingredients or correspondences, but you are the only essential ingredient in any Magic. There can be no barriers to achieving what you desire -- if you believe.
Much of Spell Casting uses the imagination, and this, together with belief, is a vital ingredient. If you can believe that you will achieve your desired results strongly enough, that act is a magical ritual that will achieve your results.
To invoke the Magic to produce what you desire, visualise it -- as clear and specific as you are able. Spend some time with the images in your mind. Believe now that you have achieved what you desire. Imagine all the feelings and emotions that accompany it. Imagine how your senses will react. After a few moments say to yourself: "So shall it be."