Should I be bothered by this ?

My husband and I were talking about buying another pitbull and he used to have one before we were together . When we were on a break trying to see if we wanted to be together or not he had a gf and he had a dog while he was with her and he said he misses his old dog and he showed me a video of the dog he had and his ex was in it . It was a normal video of just the dogs playing but she was in the back round point is , should I be upset about him having videos of her still or their memories ? . I’m upset but at the same time I’m just like ehh don’t know wether to show emotion or not . My hubby is very stubborn when it comes to things like this and I just ignore it . But should I be mad or bothered or is it normal to have videos of memories or pics ?? .

Edit : yes I know but you were able to see her since she was reacting to them okay but part of me feels like he has more videos of her still but I don’t have the guts to ask him . Would it be wrong if he has videos of their memories ?