He initiates dates but won't follow through on plans?

ErroWorld
So I've gone on three dates with this guy I met online a while ago. The first one was drinks, and we slept together; the second one was dinner, but he had to call it a night to finish some work before he flew to the south early the next morning...we made out to say goodbye; the last time, we saw a movie (during the day), had coffee and walked through the park, and we just hugged.

Every time we part ways he'll initiate plans for next time (which I agree to), but he won't text me...I have to text him to see how things are. The most extreme example was when I left his apartment the morning after and he asked what I was doing the rest of the weekend, and when I said he was busy he invited me to dinner...he texted me to check that I got to work OK and we made vague plans. It was "his turn" to text me, so I waited for him to confirm. He didn't text me until almost 1AM the night before!

Recently he was away on business for several weeks, and when he returned Sandy hit (particularly bad where he lives), so I wasn't surprised when I didn't hear from him for a while...but an extra week went by and I started to wonder, so I texted him. He was friendly enough, and asked what I was up to this weekend; maybe Saturday we'll see a concert.

I'm puzzled by two things here. First, why the physical intimacy decreased...time/scheduling didn't seem to permit, and I appreciate that I didn't feel pressured to put out; but I also still want to sleep with him hahah. Second, why he brings up seeing each other again but won't contact me about it...I feel I'm doing most of the work, but it seems to be paying off...

Does anyone have insight into what's going on here?
Updates
+1 y
Yo if he were only interested in sleeping w me he would've made dates later at night & not have been busy booking flights. If he just wanted sex he would have gotten it. & sorry but the no sex on the first date rule doesn't fly: I slept w both my last boyfriends on the first date, & it was the same for some of my friends. In my experience there is no such thing as sleeping together too soon. If he likes you, it will progress accordingly. Please reevaluate!
He initiates dates but won't follow through on plans?
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