He’s a weird texter, do you think he doesn’t care about me?

So I'm texting this guy, but it seems impossible for us to have a meaningful conversation. He used to text me frequently in the beginning, but now when I text him, he sometimes says, "Sorry, forgot to reply." Does that mean that he is no longer interested in texting, doesn't truly care, or doesn't take me seriously? Should i respond to him?

He’s a weird texter, do you think he doesn’t care about me?
He’s a weird texter, do you think he doesn’t care about me?
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