My boyfriend listens to breakup songs?

Me and my boyfriend are together for 2 years, he is kind and amazing but in the first year i broke up with him for month and a half.. but he thought i ghosted him but I didn’t it was about my strict family and was about to do harmful things for him so i had to convinced them that I don’t know him anymore so i keep him safe but I couldn’t tell him that cause i didn’t know if he would still love me or not after that. But then i decided to be brave and told him as I didn’t want him to feel something awful and i went said sorry and promised to be better and already doing that cause i love him.. before we’re together he was in a relationship with a girl who tended to cheat on him so he broke up with her. Nowadays I found out he listens to breakup songs (though I treat him very well and support him and he always says that I’m the best thing happened to him) he listens to those songs like he forced to forget someone and songs like he already forgot someone and never be back to them, but he listens to romantic songs too that refer to things happened to us.. so as I can’t ask him.. i need someone to make it clear for me.. is he still love her or those songs about what I did to him and he can’t forget it.. especially that i can see in his eyes that he is in love with me and his actions and texts he even never misses a day without calling or texting but sometimes he ignores my texts on purpose and when i call him he is happy and talk for hours with me. So is it about me or i’m just having issues and insecurities?
My boyfriend listens to breakup songs?
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