In person he seems interested, but doesn't text?

When my guy friend and I hang out, he's really nice and flirty with me, but makes no effort to text me or anything. Could he just be interested when he sees me? or if we were to be in a relationship, would he still not text/call me?

Also, I know for a fact he doesn't want a "wham-bam-thank-you-ma'am" kinda thing either. He's not that kind of guy.

Thanks!
In person he seems interested, but doesn't text?
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