How long to wait

Hubby and me have been TTC for over a year. This does include a 6 month deployment so in total it has been about 8 months. Both of us are younger 23 and 24 , and are constantly told about how friends/colleagues are "suddenly" pregnant, or try for a month or two and get pregnant. We know that he is most likely the issue in our fertility bc I have been checked up, and there is some other issues that are TMI to post. My husband still is having trouble coming to terms with the fact that we might adopt/<a href="https://glowing.com/glow-fertility-program">IVF</a>. How do I help him to start processing and accepting it? How long until we should start talking to doctors and looking at other options? When should we start panicking about the financial burdens that come along with other options outside of natural conception?