Why hasn't he talked to me much lately?

me and my boyfriend have a relation like 1 and an half year...he loves me a lot...he wants me to marry him now..he is damn serious about me!!!but last 3days he is changed.usually we talk whole day over phone or on yahoo. but last 3days he is not talk to me much!!I know am the only girl that he talk and he is the only boy that I talk!!I know he is in prob now about some financial matter...is he avoid me or he is tensed thats why!!I really don't know what shoul I do!!!but he is caring like before..he asked me I eat or not,I take shower or not,always say that he loves me..but not going to talk with me much time!!why??I really don't want to loose him..m scared..is he changed??is he avoid me??please give me an advice!!!

Yes, marry him. And have fun. Love him as much as you can. be hot. act hot. Be sexy. Act sexy. Don't spoil a relationship. Go on dates too much. This is your life!