Exactly the same for me. I’ve had it for as long as I remember and chalk it up to going to too many punk rock shows as an angsty teen (and never wore ear plugs because I was “too cool”).

It’s always there for me but I usually forget about it and only notice it when something draws my attention to it.

According to an app I’ve used on my phone (Mimi Hearing Test), I have about 14db HL in each ear.

Somewhat related, but I just cannot follow conversations in a noisy environment, like a pub. All the background noise and chatter just washes out the voices of people I’m around.

Anyway, I now bring earplugs every time I go to a show.