My shyness ruined my relationship with my boyfriend. What should I do?

I’m a pretty shy girl & I've had bad experiences with people & relationships so I tend to be often quite shy. This guy asked me out this year, and it started off okay but then I became super self conscious the whole time.

My boyfriend was an independent guy & would often go off by himself, & was very career oriented, I pretty much saw him once or twice a week. He was very respectful about his time, but was often a serious guy so I many times still felt nervous around him. There was nothing wrong with him he was just very serious.

I feel like there’s something wrong with me because I was constantly asking for “more” from him, more affection etc., him to show his expressions more, but he always seemed confused/thought everything was fine. That’s just how he was. I think there’s something wrong w me bc I clearly need to be coddled by someone in relationship bc of the way I am/anxious, or be shown constant affection. I don’t know why I felt so uncomfortable.

Anyway, I became so shy at the end that he respectfully broke up with me. I became nervous around him at all times. This is all my fault. I miss him a lot and I’ve been alone for months. I think there’s something wrong w me and I don’t know how to fix myself. This is just how I am. I wish I had just accepted him as is. Advice?
My shyness ruined my relationship with my boyfriend. What should I do?
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