<human>: So, basically i've been with my boyfriend for over 4 years now and lately I've been doing a lot of thinking. 

I am typically a positive person who always thought about the future. I recently have been doing a lot more thinking since I've recently became unemployed. I used to always talk about how I can't wait to live with my boyfriend, get married, and one day have kids. Of course, not now but later when we've lived our 20's. 

Now, I just get downright nervous with the thought of the future. Not gonna lie, after obsessing over /r/relationships and reading all the stories, my perspective slowly but surely changed but maybe it's me because of all this thinking on my hands. I told my bf that I'm not sure how I would feel even living together eventually anymore. We currently live in separate houses with our own parents at the moment. And let's not even talking about marriage or kids. 

I explained to him that living together would mean that we would change over time. You hear it all the time. Couples are great dating with each other and once they move in, both of them change for the worst and it would mean all the years dating would have been a waste of time. This is exactly what I told him. Then my bf says to me that that doesn't mean you can't try it out. 

I told him marriage is just a piece of paper and kids, well, dealing with their cries etc just seems so tiresome. He says he can understand how marriage is scary. Moving in isn't a big deal. He starts thinking that he might have done something for me to suddenly completely change my thinking and doesn't like my new way of thinking and he's the one that's all about not rushing any of that anyway. I tell him that he didn't do anything wrong. I told him, I understand why he doesn't want to rush. I don't even want to begin now. 

He tells me that he's disappointed that I felt that way and that this isn't me. At least, it wasn't the last 3 years of our relationship. I don't know what's wrong with me. What do I do?

Can you provide a brief overview of the text?
<bot>: I used to care about the future - moving in, marriage, and kids. Now, thinking about it makes me upset. Boyfriend doesn't like my new way of thinking because it isn't me. What should I do?