i'm only missing this trophy, i did all the 37 conversations couple times with diffrent techniques but nothing change. it says that i only got 35/37 , can someone help plz?
This happened to me too, and I'm going to try and explain to you how I got it.
I, just like you, also listened to the 37 conversations, but it said that I had only listened to 35. I didn't pay too much attention to that as I thought that I didn't actually listened to all of them.
Here is the funny thing though, I continued the NEW GAME PLUS after I previously beat the game, and I got the trophy after listening to the conversations right at the end in the Old Museum house in which Joel has to find Ellie and Tess. If you don't know what conversations I'm talking about, they are the ones in which Joel asks Tess and Ellie how they're holding after up after a fight with some infected, right next to a window (you have to go through that window later).
I previously said that this is funny because I knew FOR SURE that on my last playthrough I had listened to those two conversations, and I had to start the game again just to listen to them again...
So yeah, that's how I got it, hope it works for you as well.