The guy I imagined getting reacquainted with wants to set ‘boundaries’ by not talking to me but won’t tell me the reason why?

Understand that a few days ago , discussed in an original post, I had written a letter to a guy that I thought would patch up our problems and in order to get us reacquainted with each other in a plantonic way. I had heard from someone he wanted to keep boundaries with me by not speaking to me yet despite this he still acts oddly aroused and nervous around me. I am completely mute and unaware of him most days but his feelings still confuse me. Please help me sort this out.
The guy I imagined getting reacquainted with wants to set ‘boundaries’ by not talking to me but won’t tell me the reason why?
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