I've been dating a girl for about 3 months and for the past month she has basically been living with me. She has her own apartment, but since we live in different towns it's easier for her to stay with me. This let's us see each other all the time and allows her to get to her new job faster, which is located in my town.
We've been thinking about her moving in permanently, even though we haven't been dating that long. The problem arises when I think about how are relationship is going. When the relationship is good, it's really good. It's very loving, fun, and exciting. However, lately I feel like I'm walking on egg shells around her. She gets mad easily and seems to blow things out of proportion. Here's an example:
We had just let a dinner party with friends and she knew I wasn't feeling well. I had a headache and just felt "off". She had to go by her apartment and I asked if it was ok if I stayed in the car. While I was in the car I laid down and when she came back out she pounded on the window for me to unlock the trunk. She said she yelled at me to unlock it, but I didn't hear her. On the drive home she was totally silent and I tried asking if she was ok multiple times, but she ignored me. I hate the feeling of being next to someone that is upset with me so I always try to resolve it. My headache only became worse as I was, for lack of a better word, "begging" her to just acknowledge that I was right next to her.
Her moving in with me sounds exciting and it's a really great time to do it because her lease is up in a couple months. I just don't want to live a life of walking on egg shells every time I come home from work. On the flip side, if I tell her she should just keep her current apartment, that will be a huge step back in our relationship because we're used to seeing each other all the time. How can I explain these thoughts to my girlfriend so that I can do my best to avoid her blowing it out of proportion?