Friend guy is acting childish and has restricted communication?

I haven't done anything to upset him 😕 no argument or anything.. he was trying to get in a relationship with me, but I wasn't ready for a relationship when we met.. I was unsure of moving forward with him as we just met and things were building between us. Now he's acting childish and we haven't talked in almost a week..
Friend guy is acting childish and has restricted communication?
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