You have prayed about a decision, thought about it, and read everything you can find. Still, nothing seems perfectly clear. At some point, guidance may require more than waiting for certainty; it may require taking the best step you can and learning from what opens—or does not.
Reading: Shoghi Effendi, letter of 29 October 1952, in Prayer and Devotional Life, on prayer, effort, and recognizing guidance through experience.