Should I reach out to him, when he doesn’t respond to my text message, which contains question? It’s been almost a week I didn’t hear from him?

Hi can you help me with my situation, please? I met a guy 25.4.2022 since then we spent time together, we went out, we wrote a lot. And from 20.9.2022 we were much closer. Suddenly on 29.11.2022 he has a lot a work and studies. I gave him space. So two months we didn’t see eachother. We had seen eachother on 13.2.2023. And now he is again busy with work and studies.
We texted last Wednesday. And my last text message was: “How you’re doing?” “Did you work all day today?” And since then I haven’t heard from him. I do know, that now he has a new project at work and he has to write a bachelor thesis, which he has to handle on 20th of April 2023. So I am aware that he is under a lot of stress.
I kind don’t know what to do? Should I reach out to him again, when he doesn’t even respond to my first text? Or should I just end this by ignoring him, because his silence could mean, that he's not interested in me anymore? I would really like to hear your advice, please. Because I am really confuse…. I do care about him, but on the other side his not responding make me feel frustrated.

Should I reach out to him, when he doesn’t respond to my text message, which contains question? It’s been almost a week I didn’t hear from him?
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