Does my Ex-boyfriend have regrets?

I broke up with my ex-boyfriend back in January, we were thinking about marriage. I saw some red flags that I had to breakup with him for. We go to the same church every Sunday. I was super dressed up for my birthday. For the first time we ran into each other since the breakup in two months. I could tell he still has feelings for me. Ever since then he has been staring at me and showing up in proximity to me more often. Guys what is going through his mind? Does he have any regrets?

Does my Ex-boyfriend have regrets?
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