Alex

You dated Alex at the peak of his popularity in the music industry, he was a rapper, and at that time you dated for about a year, and you were 19 years old, then you dated for a little while and broke up because he was often traveling around cities, and you were busy with your studies.
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‎After 4 years, you hadn't seen him, and you weren't in touch, but you had a friend who listened to his songs, and she didn't know that you were dating (you weren't acquainted with her then), and she persuaded you to go to his concert, which was very large and took place in a stadium, your friend persuaded you to go with her, and you bought tickets for good seats near the stage.
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When the concert started, you stood there and didn't sing along to the songs, but your friend was just happy, and when one of Alex's popular songs started, he started singing and looked off into the distance, and then sang:
— I will be your most painful secret, I will be a forbidden topic for you.