I met a guy

I met a guy.  He's from plentyoffish.com.  I spent the whole day texting with him and he seems to be great.  I didn't have one red flag- not one!  And that never happened to me before w a man ever.  We were asking questions about each other back and forth- and he did ask a semi sexual question- but I declined to answer and told him why and he seemed to be okay with that.   Then later I broke.  He asked if I am comfortable naked.  That's what started it.  I am quite comfortable naked.  I told him so.  He said he's the same way and he talked about being home in his boxers.  That sparked my interest a lot.  Now mind you- I'm a very sexual person.  I don't think there's anything wrong with that.  But sex to soon, talking about sex too soon, it's never good for me.  I am very aware of my boundary issues.
So here's what happened- I started talking shit back to him- nothing crazy- nothing graphic- just a couple of benign questions.  He said he was getting turned on- I said I was too.  And all of a sudden the whole dynamic changed in my eyes.  I went from not having one apprehension to feeling needy and scared.  Throughout the day he was working so he would text me sporadically- and same w me.  But my texts were less sporadic than his.  Either way- he was working so its cool.  It was also a bbm convo so I was able to see when he read my text or not.  After he read my texts he never took that long to respond.  Honestly - I can't think of what he's done wrong. 
But here's what I noticed- He seeemed to be shorter w the responses after my comment then he was before.  Now that could be b/c he's working or whatever- but I just felt it was different.  He was still being sweet but I felt like it was a formality.  I was very insecure.  But I don't know- I feel suspect now.  So- I went to visit my grandma for an hour or so and I purposely didn't take my phone in.  2 reasons for that- I want to hang out w my grandma and I dont want to be distracted.  The other reason is that I just didn't want to stare at the phone and wait for shit- it felt like it used to feel w J and I didn't like it.  So I texted him that I know he got up early and I bet he was about to pass out.  I told him I'd be away from my phone for about an hour and that I had a great time talking to him all day and I'd talk to him tomorrow.  He read the text and didn't respond.  I really don't care for that.
You know what- I'm just gonna let him know tomorrow that the texting thing is not so cool w me and I'm not going to be as available for him- putting my shit on hold for him.  And I'll see what happens.  Maybe he addresses it tomorrow that he didn't respond.  I hope he does.  But either way- better for me to pump the breaks a little.  We have a date tomorrow.  I'm thinking to myself that I hope he doens't cancel- all the familiar traits are coming back and I just wont let them fuck w me this time. 
Anyway I was really excited about this date at first- now I'm not so sure.  We'll see I guess.