I need your advice /r/Gay!

I've recently been talking to this guy who's pretty famous (in a sense that he's a well-known person in his industry).We met on Tinder, him messaging first. I didn't have a clue he was famous, nor do I really care about that kind of stuff. Anyway, our conversations turned to texting immediately because somehow we found a big interest about the world.Now, the problem is he's an introvert. He's expressed this and I've recognized this from the beginning.Eventually, we got together and met up for a drink. It was a good time, we hung out and talked the whole time about philosophies and life. Nothing transpired from this, no kissing or anything. The most contact we've had were our arms brushing and our hug when we said our goodbye. (he gives good hugs)This is when it starts to get confusing. That night, I tried to continue our conversation. I noticed that he's been very concise (and short) with his replies even before we met up. But after we had, his replies were even more brief. He does very little to continue the conversation or put an effort into a reply.I took this as a sign of disinterest and stopped messaging. I'm the person who's honest with his intentions because I hate wasting people's time. I thought if he wasn't interested, I'd take the cue and move on.However, he texted back a day after seeing how my day went. From there, the cycle began again with us talking and myself putting in effort to talk about anything.I also asked him to grab dinner sometime, to which he replied that he doesn't know his schedule yet and will keep me updated.Now there's a couple of excuses for these which are: 1. He is focused on his field especially cause he's passionate at what he does. 2. He is an introvert. 3. He studied communications, therefore sends concise and short messages.Those are the only factors that I see present, which are enough to excuse him.I don't deal with introverts much as I am an extrovert but I don't like making excuses for people. We're both adults so I want to handle this as best as I can, without any bias from friends. Can you please tell me what you guys think?