Found out my ex's grandma died, what should I do?

I just let go of my ex but we weren't necessarily in a relationship we were just together but I wanted a relationship but he didn't so I said I was moving on cause all we did was hang at his house and do stuff and I wanted more than that so I said bye to him. But a few days past sense we stopped texting.

I just found out that his grandmother died and I feel awful:( I then texted him asking if he was okay. I feel sick to my stomach. and I don't know what to do. I feel horrible, like a bad person for just leaving him like that. I still care for him. Please help
Found out my ex's grandma died, what should I do?
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