28/F Was I wrong? Where did it go wrong and how do I fix this w/ 28/M?

Ever since I've known 'Bob', we've tried to get together (whether that be hook up or what not). We never had good timing (either he or I were in a relationship). We've had a conversation before about how he's been interested but again, timing never worked out so until recently, he came back around.
After the first time we hooked up (couple of weeks ago), I told him that I don't do friends with benefits afterwards. At that time too, he was not at all like he was last night. I assumed I wouldn't hear back from him and that's when he started texting me (telling me where he was at, work schedule, more information that I've actually ever been told by him). He even out of the blue told me that 'I'm the only girl he's talking to/having sex with' because he thought I should know that. In fact, he put in a lot of effort to be sure I would see him again. I tried to be cautious on this fact because texting is...just texting.

So when I saw him again, he rushed up to me like a corny romance movie and kissed me as if I was his girlfriend. He even changed to get more dressed up for dinner that we were going to.

I'm definitely not saying he is wrong in being shocked or surprised at my reaction last night but I was more blindsided that he opened my car door, held my hand in the car, would kiss me on the cheek, kiss me before we went to dinner, hold my hand during dinner and brought up my confusion on "us" and after the fact, walked through the store holding my hand/waist, and couldn't stop kissing me in the car afterwards. It was more romantic than most dates I've been on.

By trail, he is planning on hiking the Appalachians Trail so that will take awhile I assume.

I think the reason why my brain is out of control is just because I've tried to be very clear on how I've felt and if he doesn't want to date me....why go through those actions? I don't want there to be sides on this at all, it's just so hurtful and confusing that someone would make that much effort and be confused why I would bring it up.

I know it was early to bring it up but if I were to spend more days with him acting like that, I think my heart would explode if he stated he didn't want to date me. I had no idea going into the night that he would treat me like his girlfriend as I didn't ask him to. I've had feelings for the guy for 5 years and I thought, why not just tell him now. If this were someone I was just meeting/early dating, I would wait to play it out.

Thanks for conversing. Any other input after that would be great. I just don't understand the actions the entire night and the result of it afterwards. It took a lot of balls for me to even spit out the words to him that I'm confused because it's terrifying to know that it may end.

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