Bf still has nudes of ex on his phone.

My bf and I sitting on the couch and I had his phone looking at his photos, the further I scrolled down I seen a ton of naked pics of his child’s mother and his ex fling. I yelled out whoooa and he’s like what so I hand him his phone and he started laughing and said these are old. I said yea it’s kinda weird to have naked photos of them saved. You don’t even have mines saved and he said well I see you naked all the time and yours are in my text thread and as for the old pics of them well it’s too many to delete no big deal ppl see ppl naked it’s life. I immediately got quiet and was turned off for the rest of the night. It’s been bothering me since but I don’t wanna be a nag about it to him.