21M and me 27F, I feel like I'm overthinking things

We went on a date last week and it was great. We've been talking a lot since then and hung out yesterday/yesterday night for the fourth. This morning he seemed a little off but I also have anxiety lol. He kissed me bye and said he would come see me tonight if he didn't go to the bars and that kind of threw me off. We've barely talked today and I'm feeling anxious. I just got back into dating and my mind is already wanting to just cut him off but I also know that's not the right thing to do. I also don't wanna push him away by asking too much upfront. What would you do in this situation? Or just let it be?