Lack of communication between dates?

Tiktak92
I've been seeing this guy for about a month and we've had 3 dates so far (one per week). First 2 dates, he would messaged me randomly after the date, not a lot and not every day but he did. Last date (3rd date), I spent the night at his place and we kissed for the first time and cuddled up but did not have sex (he wanted to but I didn't let him). Day after that, I stayed till the afternoon, he took me to lunch and everything was normal; he wanted to take me to another place to hang out for a bit more but I had to leave because I had stuff to do. After that, I haven't heard from him and it's been 4 days, should I worry? He did ask me if I would wanna come to his place again last time and I'm pretty sure he's not calling me off but still the lack of communication between dates makes me feel uneasy, is it a sign of anything?
Lack of communication between dates?
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