I cheated with my guy friend, my boyfriend and I split, but why is my friend is ignoring me now?

Anonymous
About 9 months ago I met this guy ,who is 6 years younger than me, at his job (bank). It was close to my home so I was in there often. We began making small talk every time I went in there and we hit it off instantly. Eventually we began talking on the phone. (He'd call me from work or I'd called him at work) we got along really well, had a lot of the same interests and had similar personalities. We were both attracted to each other but were just friends. He was in a relationship with his child's mom and they were having their own issues. So we kind of had that common ground, we'd talk to each other about things going on in our relationships or try give each other advice . Eventually he found a new job. I saw him on his last day at his old job, he said he lost his cellphone and told me to write my number down so I did. I told him to keep in touch with me, gave him a hug and left.

About 2 months past and I didn't hear from him or see him. I didn't know what to think , I kinda just forgot about him and figured I'd see him one day. One randomm night I bumped into him at his new job. He seemed very excited to see me, we hugged, he told me how much he missed me and apologized for not being in contact, he said he lost my number. He gave me his new number and we started back up talking like no time had ever pasted. He would text me or I'd call him, it was just like old times. He was no longer with his girlfriend at this point. We continued talking often almost everyday and eventually I did go over to his place and we ended up have sex twice ( on 2 diff occasions) . We were still getting along really well and one day while we were on the phone he expressed that he really liked me and wanted to see me more and hangout more often but he knew nothing could really come of it because I was still with my boyfriend. Well one evening my boyfriend and I got into a heated discussion about our relationship. I ended up spilling the beans about me cheating and we both decided to split for the time being. I went to see my guy friend the next day just to talk to him about what happened and try to get his advice since he had just gotten out of a long term relationship himself. When I showed up he seemed to be acting a little weird not like himself but we still talked. I thought maybe he was just shocked about everything because he did say "I can't believe you told your boyfriend about us". Anyway, When I left he seemed OK and said he'd call me later that day but I haven't heard from him since and that was almost a month ago . I tried calling and texting a few times but he's ignoring me. What's up with him ?
I cheated with my guy friend, my boyfriend and I split, but why is my friend is ignoring me now?
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