I am so sad, Please help me. I love him so much and I need a solution for us.?

My boyfriend (28) and I (31) have been together for 14 months. Things were going great and he loved my daughter (11) like she was his own child. She loved him as well and he was the dad she never had. We were all doing great and became very close. We talked about marriage and spending forever together and even had decided where we would buy our home together in the exact neighborhood. All of a sudden he took an out of town job two hours away. He is there all week long and comes back home on the wknds to his house here that he shares with the roommates he rents out to. Anyways this is horrible for me. I didn't agree to him taking the job but he didn't care. He said that weekends will be fine. He umed I would get over it and we would work through it. We do not want to live together until we are married and moving there for me is not an option. I am not going to sell my house and close my salon and take my daughter out od school to go get an apartment right next to his. He has no idea of when he will want to get married and in fact he says he wants to for sure one day but he is scared and it will take some time. So moving there to be with him is no option. There is no end date for this job so it isn't even that I can say well just one more year and we will all be together again. He says he may be there forever. I need him here full time. I am lonely and sad all the time. I don't have anyone here and when he is here on the weekends he is so busy with laundry, yard work, family, friends. his other small businesses, car maintenence, errands, appointments, etc. Besides the fact that he is missing so many things of "our" daughters events too. (He calls her our daughter) It just kills me that it is an indefinite future and I have begged him to quit and come home. He says he can't because he needs the money but even more so the job experience. I feel like our love is more important and i would never choose anything over being with him and "our" daughter. We need this closeness to build our relationship so that we can get married and then all be together forever one day anywhere he might want to go. I am not saying his way is wrong but I just don't know what a good solution for us is. I can't be alone all week and it is like when he took the job he didn't care what it did to us. Please help me.