He said he'd text me today, but hasn't....

me and my guy had a long texting convo last night (played 20 ?s) and I said "think of a good question and ask me tomorrow lol"him--> "rofl ok" me-->"nite"him--> good night"

i texted him this morning and a few other times throughout the day, but he hasn't answered me... I'm worried he's mad at me, although he has no reason to be... he won't text me...
He said he'd text me today, but hasn't....
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