It is best to-- - before making a Decision?

Rely on your instinct

Consider many possible options

Compare and contrast

Compare and contrast

Explanation:

Take a decision based only in instinct is not as intelligent as the "instinct" does not exist for our specie. So, you must analyze the pros and cons and then involve the emotional pros and cons to your decision-making process, thus the criteria to determine the final decision taken involves both rational and emotional aspects.