Are these rebound relationships for girls ?

Anonymous
Hi girls and guys, let me jump in real quick
Me and ex girlfriend dated for 2 years. we had fun time and memories together. She told me dating an older guy like me (me 30 she's 24) make her feel safe and small and not putting her on pedestal, explode her phone 24/7 like other dudes. She's in love with me and my maturity and experience that she can't imagine dating younger guys because to her, they are childish and most of her orbiters at her age are. Our sex was fantastic and compatible. Of course there are arguments and fights (not physically) between us. There were some of my mistakes contributed but the thing was she didn't want to communicate clearly and expect to me "mind reading" her. After a several arguments, i thought to myself this's not gonna work and plan on breaking up with her. However she did it first and we're done. Before leaving, she said "i don't care what you're thinking". I didn't communicate with her since the day.

5 days later, she was in the new relationship with another boy that she used to tell me "It's my male friend you don't have to worry". I knew it was happening around the last 2 months of our relationship but kept silent to observe. This guy is at her age, and she used to tell me this guy is an annoying stalker and very childish. They dated for 6 months and she broke up again with this guy.

6 months after that, she's in the new relationship with her coworker. I don't know much about him but our mutual friends told me he's the same age as her and he flaunts his new girlfriend on social media. 2 months in the new relationship, they already had some tattoos like: big "king" and "queen" or their arms, especially the "forget the past" on her arm all kind of stuff, and she doesn't look like the girl who i was with.

So i just wanna know are these considered rebound? Why do i wanna know? Because i feel really sad when she turned out like this (Or she's been acting the entire time)
Are these rebound relationships for girls ?
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