Why am I attracted to anxiously attached people? Why do I find their insecure actions endearing?

My ex was anxiously attached and he had a lot of tendencies people would consider negative - he would spam call me if I didn’t answer right away, he would want to constantly check my messages, would cry when I had to go to work, would be jealous every time I spent time with anyone other than him, would constantly think I was cheating, among other things.

We’ve broke up now but at the time I thought this was cute, sometimes annoying but still cute! I was so happy about it because I thought he truly cares about me and he really just wants to know if I’m okay and it was so nice having someone be concerned about me! but I told a friend about this the other day and she thought it was super weird that he did that and weird that I found it endearing. Is this weird for me to be attracted to?