Guys, if you tell a girl you want to see them again at the end of the first date unprompted do you usually mean it?

... Or could it also just be a "polite parting"?

I would really appreciate some insights. After a string of first dates that didn't go anywhere or were just outright bad I'm feeling nervous after one I had Friday evening. I really liked the guy (we met on an app). Apart from a couple of short shy silences the conversation flowed really well, we laughed a lot and there seemed to be a real tangible "spark". He kept looking at me and beaming to himself: Both when we were just sitting and talking but also when I first took my jacket off, came back from the bathroom etc. He also complimented me on why he wanted to meet me from our chat, and things he liked about me etc. We went for a short walk, a drink then dinner. He didn't kiss me at the end of the date just gave me a warm hug. He did however say "he'd really like to do this again" and asked me to message him when home. I did send a brief message saying so, thanking him for a good time again and saying I hope he'd warmed up (it was cold out and also the restaurant left the doors open!) He first read and replied to the message early in the morning saying he'd crashed quickly, thanks etc but didn't reply to my message after that the rest of the day. Now I'm feeling a bit worried the "Id like to see you again" was just him trying to create a polite parting, especially combined with the no kiss. For context, before meeting he hasn't been a quick/frequent replier after the first batch of messages (he made contact first). I do think he's just not someone to be on his phone lots (he lives between 2 cities for work, first came back here a couple of days again and is mentioned he is catching up with friends etc this weekend). Not messaging me all of yesterday after one first thing in the morning is the longest gap though. I'm not sure what to think like perhaps messaging him when I got home looked too "keen" even though he asked me to!

Guys, if you tell a girl you want to see them again at the end of the first date unprompted do you usually mean it?
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