Dreams often reflect our subconscious thoughts and feelings, and your dream appears to be rich in symbolism and emotions related to personal relationships and responsibilities.

1. Father-in-law's Emergency: This aspect of your dream could symbolize your concerns about family health or well-being. It may reflect anxiety or fear about unexpected situations and the need to be prepared for emergencies in life.
2. Going to Tell Your Wife: This part of the dream indicates your role as a communicator and caretaker within your family. It signifies your sense of responsibility and the importance of sharing significant news with loved ones.
3. Being a Boss Again: Dreaming that you are in a position of authority, especially when you are not in that role anymore, could indicate feelings of nostalgia or unresolved issues related to your past job. It might suggest a desire for control or recognition, or it could reflect your confidence in leadership roles.
4. The Teacher and Doctor Figures: These characters from your past represent guidance and support. They may symbolize the help you've received in your life, particularly in challenging times, like your fertility treatments. Their presence suggests that you might be seeking reassurance or wisdom during a stressful period.
5. Unfamiliar Building: This setting can signify new experiences or transitions in your life. It may represent feelings of uncertainty about the future or entering unknown territories, especially regarding family matters and health.

Overall, this dream may be encouraging you to reflect on your support system, both personally and professionally. It might also be a prompt to address any underlying anxieties about family health and your role within that context. Consider how you can reach out for support or communicate your feelings to those around you.