Relationships

Have you ever felt a different type of connection that you can not break with some people even if you have never been in a particular relationship?

We met 5-6 years ago as classmates. I felt he liked me at that time but no one talked about it. our ways separated, we started to live in different countries, etc. Sometimes we talked on social media, and we had different people in our lives. However, we always keep in touch. He always writes me when we are both single, he responds to my Instagram, etc. I don't know why, but we always stayed in touch for 5-6 years even though I blocked him one time. We have never been in a relationship. He is a handsome and attractive guy and he does not need me in his life. Have you ever had someone in your life with whom you can not break the connection even if there is no apparent relationship?
Have you ever felt a different type of connection that you can not break with some people even if you have never been in a particular relationship?
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