Being a pastors wife

So my boyfriend and I are going to get married on March 17th this year. I love him very much and couldn't ask for another human being to spend my life with. He has been so supportive and helpful through every moment we've been through together. He has goals and ambitions of becoming a pastor and I love that he is working towards something he is so passionate about, but I'm so concerned that he is going to put so much time into volunteering and of course working that he is going to miss out on so much of the family that we are aiming to start once we are married. I have had this conversation with him multiple times and he continues to reassure me that that won't be the case. It is still in the back of my mind tho, and I don't know if I am being selfish, or just very anxious. Any time we try to discuss this with leaders at the church they just seem really biased in his favor and desperately want him to worry about becoming a pastor. My boyfriend continues to tell me that he wants this family and that he could have all of the success in the world but if he's not happy at home, then he's not happy at all.