Girl's Behavior

Why would my ex friend who I was romantic with still keep tabs?

I had this former friend in the past. We used to work together and have a lot of history. She would stay a couple of hours after her shift just to talk to me and has been to my house a few times. There’s always been weird tension which another one of our mutual friends would notice. We would casually flirt. I threw a party and got really drunk and her and I ended up making out four times that night. She got a boyfriend a few months after. We’re both bisexual. She eventually quit our job because she hated it and went to a new job ( same kind of job ) so hadn’t talked for months but I congratulated her when she got engaged to her boyfriend and she reached out when my dog died.

When we worked together and we’re close, I graduated college and she was so happy for me and came to my party ( that’s where we made out lol ). I ended up getting my dream job a few months ago and announced it on social media. I got crickets from her lol. She didn’t reach out or anything. it hurt too because people at our job ( the one she left ) were asking me how she felt about me moving and getting my dream job.

it hurt too because I congratulated her on her engagement but she couldn’t do the same for my big news. Anyways, I’ve been crafting my new life and my new job is really a big opportunity and I moved to a different state for it and have been making new friends and posting them. She’s always the first one to watch my stories and I find it a bit odd because I no longer watch hers. She watches them really quickly every single time and it’s weird. Is she still secretly jealous of my new life? If she doesn’t care, why does she do this?
Why would my ex friend who I was romantic with still keep tabs?
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