Opinions to respond or ignore him?

I been texting him a few moments everyday while he’s visiting family. He enjoys my conversations bc I’m funny & sweet, but today conversation wasn’t great. I was shopping & doing errands he sent a random funny video & I went on with my day with my errands. Eventually I am @fastfood place ordering food for everyone. While waiting for my order I DM him about how hungry I was excited about going home to eat after a productive busy day. He sent me a picture of his day playing golf. I sent 😂 & ❤️ including leaving a few regular messages. Unfortunately, I got home & was very upset told him that I was too upset to enjoy my dinner bc I was missing an item that was important to me bc I needed it for tomorrow. He saw my message 2hrs ago no response nothing to show me that he genuinely cares about me. He left me on read & I am more upset than I was 2hrs ago.
I don’t know if he forgot to respond bc he is with family, but I would be more upset if the next day he still doesn’t cheer me up or show some kind of support about my day tomorrow. I would cheer him up when he was having a rough day. I wonder if he even likes me as a romantic partner or just friends & hurting our friendship by not being a caring person I know that he is. He is shy doesn’t know how to flirt or talk to girls. He is a vanilla type of guy, but he kinda busy with his work life to think about a romantic relationships. He doesn’t mind if I tried flirting bc in the future he would like to have a partner it could be me… he very slow at taking his time in a relationship not even holding hands. I don’t know if I should message him tonight or tomorrow or ignore him until he realizes that I’m upset. I’m not even sure if he is brave enough to express his feelings towards me if he does have any romantic interest in me or cares about me as a friend.

Opinions to respond or ignore him?
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