Your first name of Donaldson has given you a practical, efficient, and capable nature, with a desire to participate in business ventures. However, sometimes you miss opportunities because you tend to be overly cautious. As you have a great deal of endurance and patience, you would be content to make steady progress where others would become discouraged and fail. g. There are times when you experience stress and discontent. Others, particularly family members requiring greater affection and understanding, may find you unsympathetic to their problems. Mathematical studies, technical fields, and scientific topics interest you. You are efficient, and capable of carrying a lot of responsibility, but your nature is so serious that personal association suffers. Your enjoyment of the heavier foods could cause health problems in the stomach or intestinal organs of the body. Other health weaknesses could affect your reproductive system causing difficulties with childbirth.