Why is he doing this? Have I done something to make him dislike me?

Anonymous

My male friend and I have become very close over the last year, we were hanging out just us once or twice a week, messaging everyday and he was initiating 99% of it. We also work together and he would be following me around at work and talking constantly. One of our colleagues told him I had feelings for him and asked him if he liked me, he said he only saw me as a friend. I spoke to him about it a few days later to check that it hadn’t made him uncomfortable and explained that I hadn’t said anything cause I was trying to get rid of my feelings as I was happy being friends. He was awkward for around a week and then started going back to normal, sending me messages and trying to get my attention at work, however he started doing slightly weird stuff that came across like he was trying to get my attention or make me jealous. I haven’t seen him much in the last month but staff have reported that he’s starting acting unusual and being colder to everyone, however he was still messaging me. I noticed the other day that he hasn’t opened a message I sent him last week and he hasn’t sent me anything in nearly 2 weeks which is the longest in almost a year. It’s just confused me because he said he only saw me as a friend to our colleague but has not tried to talk to me about the situation at all and has then started trying to get my attention and is now acting normal at work but not messaging me or opening the message I sent a week ago. I just don’t know why we could be such close friends and then go to nothing when we had both said we just wanted to be friends

Why is he doing this? Have I done something to make him dislike me?
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