Terrified to move in with Dwight

I forgot how the conversation started but Dwight made a comment about me giving him cash when I live there. Then it goes like this:

Me:I'm not giving you cash when I live there
Him: What? Why not? You can't live here for free?
Me: I don't expect to, but I'm not handing you cash either?
Him: Hmmm?
Me: I'll pay all the bills and buy groceries or something, but I am not handing you cash.
Him: what is the difference?
Me: there is a huge difference, first it will make me feel like I am paying rent or something, instead on contributing to our household, and it will make me feel completely out of control. it will make me feel like i'm just some kind of roomate.
him:well you kinda are, I mean we are not married.
me: how rude!! no we aren't married and won't be but i'm definately not a roomate, you can kick out your roomate and evict him-your not evicting me!!!!! We aren't married, but we will be partners if we are going to live together.

So then we get into the whole logistics of everything, what bills and how much and grocieries and shit. He kept insinuating that my portion wouldn't compare to his portion. He has a 900.00 mortgage payment and thats it. I would pay everything else. I think he is getting off easy. So after all the back and forth we decided to sit down with all of our bills and write it out and come to an equal agreement. I bring home 605.00 each week after all of my deductions and I know his paychecks are like 1000 every 2 weeks after all of his deductions. so I am pretty sure we can work it out. I have to get my list together. Besides that we have a lot more to discuss.

I just found out that he has never lived with a women before. He is 34 years old and has had girlfriends but says he never loved anyone like he loves me and he hasn't loved anyone in a real long time. So in a way that makes me feel very special. I have tried to break up with him twice and he has begged for my forgivness and won't let me go, which was very surprising because I thought he wasn't feeling that strongly for me, and that isn't in his nature.

On the other hand, I was married for 8 years before dating Dwight and have been completely independant for 2 years. So I am basically terrified to give up my independance, my freedom to walk out of his door and go to my house alone. I am a loner and I enjoy my alone time, and I would have to give that up. I am scared to tell him how I am really feeling, because I showed hesitation once and it really hurt him. He got all-just forget it-type attitude with me. He was like: I never put myself out there and I did and you just rejected me and that is exactly why I don't put myself out there. So I reassured him that I wasn't rejecting him.

I think about things like what happens if this doesn't work out and I sell 3/4 of my belongings to move in there and I have to find a place to live again and have to replace all those things. There are no guarantees in love and life and I dont want to jump too fast.

On the other hand, we do get along great when we are together, I'd say that 95% of our fights are over the phone. We hardly ever fight in person. Plus I love him more than anyone before.

Plus another issue that makes me uneasy is the fact that it is HIS house and I won't feel completly at home for a while. I will feel like I have to ask permission to decorate and stuff. Plus there is no room in his room for any of my clothes and I have A LOT. So that is a whole nother issue to deal with. His son has the big room, I think I have to convince him to switch rooms, which he is going to fight me on.

See what I mean, there is so much...........can I really do this? I am terrified? Is this normal?