Would a hookup consider something more in the future?

Texted for a month before hookup, casual was established at first. After hookup he acted completely different but once I asked about possibly crossing that casual line eventually he pulled back saying he has a lot going on with school. I told him I would respect his feelings and stay casual. I understood because he was going through a lot of changes with his living situation and wasn’t expecting the workload to be so heavy. We texted on/off for over a month, this time less texting because he was busy with school. He’s very busy with graduate school, internship and lives in another state. We were going to meet up again but he feels like he doesn’t have the time. I said “then we are done texting”, he agreed. I left the door open saying I “enjoyed his sexual energy and would like to get to know more about him so don’t be surprised if I text him in the future”. He laughed because I call it his BDE. I joked to “not settle for a plain girl” and he said he’s “not settling for anything yet”. If in the future I’m still single (and still remember him) and decide to reach out would it be stupid to think he would want something more potentially?

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After hook up he said he wanted to see me again when he came back from school. I told him he’s out if his mind if thinks he could see me again after dipping off for a week at a time. He said he would communicate more and he immediately started to. Even told me when he left for school and when he got there. I mentioned FaceTiming periodically while he was at school and he agreed. We FaceTimed once then I brought up possibly moving away from casual and he pulled back.
Would a hookup consider something more in the future?
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