Should I keep texting?

Should I keep texting this guy I've been casually dating. At first we would text back and forth all the time then it became less and less. If I text him he does respond, sometimes right away sometimes it could be hours later. I see him in passing average once a week for a short time everything seems fine. I made a comment to him once because he finally responded to something I sent days ago. I said oh I thought you hated me again. He said no apparently I'm a bad texted. My question is should I stop texting him altogether or continue to casually text. I like him I just can't tell how much he still likes me since we are casual.

Should I keep texting?
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