Boys help me with this: should I be happy the guy I'm dating is telling me the kind of person he was?

I am dating a guy seriously and he keeps telling me everything about his past and the girls he has been , and he said he doesn't wanna hide anything from me but he wants to be very open about who he was. He takes me everywhere with him and he gives me a lot of attention and care. I just feel scared. Should I be happy that at least he is telling me the kind of person he was?

Boys help me with this: should I be happy the guy I'm dating is telling me the kind of person he was?
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