That is very good news for you and your new relationship!
If there are children and some of the pictures are family pictures, it is probably unrealistic to think that every picture will be put away.
If you are dating or planning to marry a widow or widower, here are some suggestions and thoughts to consider.
LEARN ALL ABOUT GRIEF Do some research about grief, read books and talk to others in similar situations.
Simply ask your questions respectfully, so it is not regarded as prying but as a genuine interest in the deceased spouse and their relationship.
If you pay close attention, you actually may learn many interesting things about your new partner, for example: how he/she views the world; how he/she treats a partner; likes and dislikes, etc.