Found nudes

So the other day I made a couple posts on here about me finding pictures of nudes on my bf’s phone. They were from be before we met and when we very first starting dating. He told me that he just forgot that they were there.

The past couple of days have been ok between us but I keep getting flashes in my head of those photos and it makes me upset that I know the women he has hooked up with before me.

He has deleted them and he told me he went thru his whole phone and deleted anything that has other women that he talked to in the past. But I feel like that should have been done over a year ago when we first started dating.