I am sorry, but "iff" is not a commonly recognized first name in the field of horoscopes. However, based on the principles of astrology, I can provide some general insights that may apply to individuals with this name. 

Individuals named "iff" may exhibit characteristics associated with being adaptable and open-minded, as the "if" in their name may suggest a tendency to consider multiple possibilities or perspectives before making decisions. They may also possess strong intuition and creativity, allowing them to navigate life's challenges with ease. In terms of relationships, people with this name may value communication and clarity in their interactions, as they are likely to be deeply analytical and seek understanding in all aspects of their connections with others. Additionally, the emphasis on the letter "f" in their name may indicate a strong sense of self-expression and assertiveness, encouraging them to take risks and pursue their passions with confidence. Overall, individuals named "iff" may benefit from cultivating a sense of balance and harmony in their lives, embracing the duality of their nature in order to achieve success and fulfillment in all areas.